Laser Show Projector Wattage Guide: 3W vs 5W vs 10W

Laser Show Projector Wattage Guide: 3W vs 5W vs 10W
How Many Watts Do You Need for a Laser Show Projector? 3W vs 5W vs 10W
Choosing the right laser projector wattage sounds simple until you start comparing 3W, 5W, and 10W models.
A 5W laser has more output than a 3W laser. A 10W laser has more than both. So if your budget allows it, why not just buy the highest wattage?
Because real venues do not work that way.
A 3W laser show projector can look extremely strong in a dark indoor room with good haze and a moderate throw. A more powerful laser can look surprisingly unimpressive when it is competing with a bright LED wall, moving heads, wash lights, a long projection distance, or poor atmospheric conditions.
ILDA makes the same broader point: rated wattage alone is not a reliable measure of how impressive a laser show will look, because ambient light and atmospheric conditions can dramatically change visibility.
So the real question is not:
Which wattage is bigger?
It is:
When does more wattage actually solve a problem in your show?
If most of your work is indoors, the venue is dark, haze is reliable, and the throw is relatively short, do not automatically rule out 3W.
If you regularly work in larger or brighter rooms, compete with LED walls, or need more throw, 5W gives you useful headroom.
And if those conditions become genuinely demanding, 10W starts to make more sense.
Table of Contents
Section What You'll Learn
1. Quick Answer: 3W vs 5W vs 10W Where each power level makes sense
2. Is a 3W Laser Projector Enough? When 3W works and when it starts to feel limited
3. When Does 5W Make a Real Difference? Why headroom matters
4. When Is 10W Actually Worth It? When extra output solves a real problem
5. Does Audience Size Tell You the Wattage? Why headcount is not a wattage formula
6. Wedding, DJ, Club, Stage and Outdoor Examples Real-world application scenarios
7. Does an LED Wall Mean You Need More Power? How competing light changes the decision
8. How Much Does Haze Matter? Beam visibility versus actual optical power
9. Beam Shows vs Graphic Projection Why graphics need more than watts
10. Why Can a 5W Laser Look Brighter Than an 8W Laser? RGB, wavelength, optics and environment
11. Two 5W Lasers or One 10W? Coverage versus intensity
12. What Should You Compare Besides Wattage? Specifications that affect real-world performance
13. Why Does My Laser Look Weaker Than Expected? What to check before upgrading
14. Common Wattage Buying Mistakes Eight mistakes that lead to poor buying decisions
15. Choose Your Laser Wattage in 60 Seconds A practical decision path
16. A19 3W vs J5 5W: A Real Product Example Two real products, two different requirement levels
17. Should You Buy More Wattage Than You Need? How much headroom is reasonable
18. Laser Safety Note High-power laser responsibility and U.S. requirements
19. FAQ Quick answers to common buying questions
20. So, Should You Choose 3W, 5W, or 10W? The final buying framework
Quick Answer: How Many Watts Do You Need for a Laser Show Projector?
For many indoor DJ, wedding, bar, KTV, and smaller club applications, 3W can already be enough when the room is dark, haze is available, and the throw is moderate.
A 5W laser projector gives you more headroom when the venue gets larger, the throw gets longer, or the laser has to compete with LED walls and other stage lighting.
A 10W laser projector becomes more useful when your regular jobs involve larger stages or clubs, stronger competing lighting, longer throws, greater coverage requirements, or demanding outdoor conditions.
These are starting points—not fixed venue rules.
3W vs 5W vs 10W Laser Projector Comparison
Show Condition 3W 5W 10W
Dark indoor room + good haze Strong candidate Extra headroom Often more than needed
Mobile DJ / smaller event Often suitable More versatile Depends on setup
Wedding ballroom Depends on lighting Strong candidate For demanding setups
Small club / KTV Often suitable Plenty of headroom Often unnecessary
Bright LED wall / strong stage rig May become limited More useful Stronger candidate
Longer throw More limited More flexible Better for demanding distances
Large nightclub / stage Needs evaluation Often possible More likely to make sense
Outdoor show Limited cases Depends heavily on conditions More likely to be considered for demanding outdoor use
Logo / graphic projection Power alone does not decide quality Same Same
The important question is not whether your venue is called “small,” “medium,” or “large.”
It is what makes the job difficult.
Is a 3W Laser Projector Actually Enough?
Yes—under the right conditions.
One of the biggest mistakes buyers make is treating 3W as an “entry-level” or non-professional power level simply because 5W and 10W projectors exist.
Power does not define whether a fixture is professional.
When 3W Can Work Very Well
A 3W RGB laser projector becomes much easier to see when several conditions work in its favor.
The room is relatively dark.
There is consistent haze.
The projection distance is not excessive.
The laser is not fighting against a full-brightness LED wall and an entire stage-lighting rig.
And the effect does not need to cover a huge space from one projector position.
In that environment, a 3W unit can make a lot of sense for:
  • mobile DJs;
  • wedding dance floors;
  • bars;
  • KTV rooms;
  • smaller clubs;
  • lounges;
  • private events;
  • shorter-range indoor beam effects.
Good haze is especially important for aerial beams. ILDA notes that professional indoor beam shows generally rely on haze or fog because suspended particles are what make the beam path visible in the air.
When 3W Starts to Feel Limited
The picture changes when you add:
  • a large LED wall;
  • brighter wash lighting;
  • multiple moving heads;
  • longer throws;
  • larger coverage;
  • inconsistent haze;
  • higher ceilings;
  • larger stages.
That does not mean the 3W projector suddenly became a bad product.
It means your operating environment became harder.
That difference is important.
A Real 3W Example: Starshine A19
The A19 provides a useful real-world example of why “3W” alone does not tell you everything.
Its declared total RGB output is 3,000mW, made up of:
  • 1W red;
  • 0.5W green;
  • 1.5W blue.
It also supports Automatic, Sound-Active, DMX-512, Master/Slave, ILDA, and compatible App control.
So a 3W projector can still belong in a professional DJ or event workflow.
The useful lesson is not that “A19 proves 3W is always enough.”
It is:
3W can be enough when the environment allows 3W to do its job.
When Does Moving From 3W to 5W Make a Real Difference?
The most useful way to think about 5W is not:
3W = beginner
5W = professional
Think instead:
5W = More Headroom
Headroom is the extra output available when your working conditions become less favorable.
Imagine a mobile DJ who mostly works in small, dark rooms.
A 3W projector may already look excellent.
Then the jobs change.
Now the venue has a bigger ballroom.
The ceiling is higher.
There is a large LED backdrop.
The throw is longer.
The room cannot maintain haze as consistently.
That is where moving to 5W starts to solve a real problem.
Mathematically, 5W is about 67% more declared optical output than 3W.
That does not mean it will look exactly 67% brighter to your eyes.
Perceived brightness is affected by the color mix, wavelengths, beam characteristics, optics, atmosphere, pattern, and ambient lighting. ILDA specifically warns against judging show impact from watts alone.
What you are really buying is more margin before difficult conditions begin to overpower the effect.
Why 5W Makes Sense for Many Mobile DJs and Rental Companies
A fixed nightclub already knows its room.
A rental company does not.
Neither does a mobile DJ.
Today you may install your DJ laser lights in a dark club.
Tomorrow they may be in a hotel ballroom with a bright LED screen and a completely different lighting rig.
That makes headroom more valuable.
For a rental company, moving from 3W to 5W can mean a broader range of jobs from the same fixture.
But there is another question:
Would your inventory benefit more from one stronger projector—or from having more projectors that can be positioned around the stage?
We will come back to that shortly.
When Is a 10W Laser Projector Actually Worth It?
A 10W laser becomes worthwhile when your regular working environment genuinely demands more output.
For example:
  • a larger nightclub with a major LED wall;
  • stronger wash and moving-head fixtures;
  • a wider stage;
  • a longer throw;
  • a larger visual area;
  • more difficult outdoor conditions.
This is where the jump in wattage starts solving a real problem rather than simply making the specification sheet look more impressive.
But reverse the situation.
If 90% of your work consists of:
  • dark 100-person events;
  • short throws;
  • reliable haze;
  • small dance floors;
  • simple beam effects;
then buying 10W does not automatically make the production look twice as professional.
You may not have an intensity problem at all.
You may have a coverage problem.
And more watts from one position do not create a second projector position.
Is Buying 10W Better “Future-Proofing”?
Sometimes.
But future-proofing should not mean buying the highest wattage your budget can tolerate.
A better question is:
What is the hardest type of job I regularly expect to run?
If larger venues with LED walls are already becoming normal for your business, additional headroom makes sense.
If the only reason you want 10W is:
“Maybe one day somebody will ask me to do a huge festival,”
that is a much weaker buying reason.
Buy for your real business trajectory—not your most extreme imaginary show.
Does Venue Size Really Tell You How Much Laser Power You Need?
Not by itself.
Audience size is useful context. It is not a wattage calculator.
Consider two events with 300 guests.
The first is a dark nightclub with good haze.
The second is a hotel ballroom with:
  • a full-width LED wall;
  • bright stage washes;
  • photography lighting;
  • house lighting that never fully goes dark.
Same audience count.
Very different laser job.
That is why there is no reliable formula such as:
100 people = 3W
300 people = 5W
1,000 people = 10W
Before choosing wattage, ask:
  • How wide and deep is the room?
  • How high is the ceiling?
  • How long is the throw?
  • How bright is the existing lighting?
  • Is there an LED wall?
  • Can you use haze?
  • Are you creating beams or graphics?
  • How many projector positions do you have?
Audience count is context—not the wattage formula.
How Much Laser Power Do You Need for a Wedding, DJ Show, or Club?
Different applications create different problems.
Mobile DJ
Mobile DJs usually need versatility more than anything else.
If most events are smaller and dark, 3W may already be practical.
If you regularly move between weddings, private events, clubs, and corporate ballrooms, 5W gives you more flexibility.
That is why choosing professional DJ laser lights should begin with your hardest regular venue—not just the biggest guest list.
For a deeper guide to DMX, ILDA, haze, positioning, and DJ setup, see the DJ Laser Light Guide: Power, DMX, ILDA, Haze & Setup.
Wedding Ballroom
Weddings are particularly easy to oversimplify.
A 150-person wedding may have a massive LED backdrop, photography lights, bright house lighting, and strict haze restrictions.
A 300-person wedding may happen in a much darker room.
So wedding laser lights should not be selected by guest count alone.
Also check whether the venue allows haze.
If it does not, adjust your expectations for aerial beam visibility first. Do not assume that adding several watts can completely reproduce the appearance of a properly hazed room. ILDA explains that airborne particles are fundamental to making aerial laser beams visible.
Small Club, Bar, or KTV
These are often favorable environments for lower-powered club laser lights.
The reason can be remarkably simple:
They are dark.
A smaller space, short throw, and consistent haze gives a 3W projector a much easier job than a bright hotel ballroom.
Do not choose wattage from the sign over the front door.
Choose it from the actual room.
Nightclub
Modern nightclub laser lights may have to compete against:
  • LED screens;
  • moving heads;
  • strobes;
  • powerful washes;
  • other laser fixtures.
Now 5W or 10W headroom becomes more relevant.
But before solving every problem with watts, look at the lighting cue.
If the LED wall is at full brightness, the washes are at full output, and every fixture is running during the laser moment, you are forcing the laser to compete with the entire rig.
Sometimes reducing competing light during the laser cue produces a larger visual improvement than simply buying more output.
Concert and Stage
For stage laser lights and concert lasers, wattage is only part of the design.
A wide stage may need several positions:
  • stage left;
  • stage right;
  • center;
  • overhead;
  • rear projection positions.
The audience experiences the composition of the whole space.
That is why projector quantity and placement can matter just as much as the output of each individual fixture.
Outdoor Events
Outdoor work introduces more variables:
  • longer throws;
  • wind;
  • inconsistent atmospheric conditions;
  • ambient light;
  • installation height;
  • rain and dust exposure.
And there is one distinction every buyer should remember:
Wattage is not weather protection.
A powerful indoor projector is still an indoor projector.
A 10W specification does not make a fixture waterproof.
If you need outdoor laser show equipment, evaluate the actual ingress/weather rating separately from optical output.
Does an LED Wall Mean You Need a More Powerful Laser?
Often, it increases the need for headroom.
But there is no formula such as:
LED wall = double your laser wattage.
The real problem is visual competition.
A huge, high-brightness LED screen filling the entire stage background creates a much harder environment than a small screen off to one side.
Before jumping to a higher-powered projector, ask:
  • How bright is the LED screen?
  • How much of the stage does it occupy?
  • Where are the laser beams relative to it?
  • Can the wall be dimmed during key laser cues?
  • Can other stage fixtures be reduced?
  • Is haze stable?
Sometimes more laser output is the right solution.
Sometimes better cue design is the right solution.
Does Haze Reduce How Many Watts You Need?
Haze does not increase your laser's optical power.
It makes that power easier to see.
For aerial beams, the difference can be dramatic.
Particles suspended in the air scatter some laser light toward the audience, revealing the path of the beam. ILDA notes that haze and fog are standard tools for producing visible indoor beam effects.
That is why the same 3W projector may look impressive in a dark, hazed club and much less dramatic in a bright, clear-air ballroom.
For graphics projected onto a wall or other solid surface, haze is less central because the viewer is looking at the illuminated surface rather than relying entirely on the beam path in mid-air.
Beam Show vs Graphic Projection: Do They Need the Same Wattage?
Not exactly.
For Beam Shows
You care heavily about:
  • output;
  • haze;
  • ambient light;
  • throw;
  • beam divergence;
  • coverage.
Beam divergence describes how quickly the beam spreads as it travels.
At longer distances, it becomes increasingly important because a more tightly maintained beam can keep more of its visual concentration over distance.
For Graphics
If your main goal is:
  • logos;
  • text;
  • animations;
  • custom graphics;
wattage becomes only one part of the problem.
You also need to consider:
  • scanner performance;
  • pattern complexity;
  • projection size;
  • modulation;
  • software;
  • projection surface.
A more powerful laser does not automatically draw a cleaner logo.
For example, J5 documentation warns that complex patterns can flicker or distort if the pattern size or complexity becomes excessive, illustrating that scanning workload matters independently of total output.
So if your 5W projector is bright enough but your logo still does not look clean, upgrading to 10W may simply give you a brighter version of the same scanning problem.
Why Can a 5W Laser Look Brighter Than an 8W Laser?
Because watts are only one part of what your audience sees.
A projector's apparent brightness can change with:
  • RGB power distribution;
  • wavelength;
  • beam divergence;
  • optics;
  • ambient light;
  • haze;
  • pattern complexity.
The human eye is also not equally sensitive to every visible wavelength. ILDA's projector guidance specifically notes that wavelength and RGB balance influence apparent brightness, so two projectors with the same total wattage can look different.
This is why comparing:
5W vs 8W
without comparing anything else can be misleading.
If you want the deeper physics behind wavelength, RGB balance, and perceived brightness, read our separate guide: Laser Wavelength, Power & Brightness for Stage & DJ Lasers.
For this buying guide, the practical takeaway is enough:
Higher wattage does not guarantee proportionally higher perceived brightness.
Two 5W Lasers or One 10W Laser: Which Is Better?
On a calculator:
5W + 5W = 10W.
In a real show, they are not equivalent.
Two 5W Projectors One 10W Projector
Two projection positions One stronger source
Wider coverage options Simpler rigging
Left/right symmetry Fewer fixtures
Crossing and layered effects Less cabling
More spatial flexibility Higher output from one location
The real question is:
Do you need more coverage—or more intensity?
Imagine a 12-meter-wide stage.
Your current 5W laser is already bright enough, but all the effects originate from the center.
Replacing it with a 10W unit may simply make the center brighter.
Installing two 5W projectors on opposite sides of the stage solves another problem entirely:
coverage.
The reverse can also be true.
If there is only one suitable installation location and you need more output from that position, one higher-powered unit may be the better choice.
What Should You Compare Besides Laser Wattage?
If two projectors both look good on paper, do not stop at the W rating.
1. What Does the Wattage Represent?
Make sure you are comparing equivalent optical-output specifications rather than assuming every manufacturer's headline number is measured the same way.
ILDA specifically warns that claimed or rated wattage does not always equal measured aperture output.
2. How Is the RGB Power Divided?
Two 5W RGB projectors can use very different red, green, and blue allocations.
That changes color balance and perceived visual output.
3. What Is the Beam Divergence?
Especially important for longer throws.
4. What Is the Rated Scanner Performance?
If your priority is graphics, logos, and animation, scanner capability matters much more than it does for a few simple beam effects.
5. Is the Modulation TTL or Analog?
Analog modulation can provide finer control over color and brightness levels.
It does not automatically mean more output.
6. Is the Projector Designed for the Environment?
Outdoor use requires real environmental protection.
Do not substitute a wattage number for an IP rating.
For a more detailed 3W/5W RGB feature comparison—including scanner and control considerations—see our 3W/5W RGB Laser Projector Buying Guide.
My Laser Looks Weaker Than Expected — Do I Really Need More Watts?
Not necessarily.
Before replacing the projector, check the show conditions.
Check the Haze
If you expected visible aerial beams but the air is clear, power may not be the main problem.
Check Competing Lighting
Temporarily reduce:
  • LED-wall brightness;
  • wash fixtures;
  • moving heads.
If the laser suddenly looks strong, the issue is contrast—not necessarily insufficient projector output.
Check Master and RGB Levels
DMX, software, or individual color channels may be limiting output.
Check the Optical Window
Dust or contamination on the optical path can reduce real-world performance.
Try a Simpler Pattern
If basic beams look powerful while a complex animation looks weak, pattern complexity may be the issue.
Reduce the Projection Size
A very large scanned graphic can appear less intense than a tighter pattern.
Ask Whether the Real Problem Is Coverage
If the beam looks strong wherever it reaches, but half of the stage has no laser effect, another projector may solve more than additional watts.
A Practical Test Before You Upgrade
Test your current system under actual show conditions:
Turn on the haze.
Run the LED wall at its normal show brightness.
Run the stage fixtures.
Set the laser to the projection size you actually use.
Then look at the problem.
If the laser is bright enough but the stage feels empty, you may need more projector positions.
If it still disappears against the show even with good haze, sensible placement, and properly programmed cues, additional output headroom becomes easier to justify.
That test is more useful than comparing specification sheets in isolation.
Common Mistakes When Choosing Laser Projector Wattage
  1. Buying by audience count alone.
    A dark 300-person club and a bright 300-person ballroom are different jobs.
  2. Assuming twice the watts means twice the apparent brightness.
    It does not.
  3. Thinking 10W is “professional” and 3W is “beginner.”
    Power level and professional capability are different things.
  4. Ignoring haze.
    Especially when aerial beams are your main goal.
  5. Ignoring LED walls and other fixtures.
    The laser has to compete with the full lighting environment.
  6. Trying to solve a graphics problem with more watts.
    Scanner performance or content complexity may be the real limitation.
  7. Comparing headline wattage without checking what the figure represents.
  8. Buying an outdoor laser based on power while ignoring weather protection.
How to Choose Your Laser Wattage in 60 Seconds
1. Indoor or outdoor?
Outdoor use usually introduces more variables.
2. Dark venue or strong competing lighting?
LED walls, bright washes, and moving heads increase the need for output headroom.
3. Can you use consistent haze?
For beam shows, this is a major factor.
4. How long is the throw?
As distance increases, beam characteristics become more important.
5. Are you mainly creating beams or graphics?
Graphics bring scanner performance and content complexity into the decision.
6. Do you need more intensity or more coverage?
This can determine whether you should buy one stronger projector or add another unit.
7. What is the hardest job you regularly expect to run?
Buy for that job. Not for an imaginary extreme event.
Then:
Consider 3W when most operating conditions are favorable.
Consider 5W when you need more flexibility and headroom.
Consider 10W when your regular work genuinely requires more output because of larger spaces, long throws, strong competing lighting, or other demanding conditions.
A19 3W vs J5 5W: A Real Product Example
A useful way to see why wattage is only one part of the buying decision is to compare two actual fixtures.
Specification A19 J5
Declared total output 3W 5W
Modulation TTL TTL / Analog
Control options Auto / Sound / DMX / Master-Slave / ILDA / App DMX / Auto / Sound / App / ILDA / Network
Best lesson from this article 3W can work in favorable indoor conditions 5W gives more output headroom and a different control capability set
A19 documentation states a declared 3,000mW RGB output and professional control options including DMX, ILDA, and compatible App operation.
The latest controlled J5 manual specifies 5,000mW total output, TTL/Analog modulation, and DMX, App, ILDA/Network software control.
The point is not that the J5 “wins.”
It is that the two projectors solve different levels of requirement.
A buyer working mostly in smaller, darker indoor venues may not need extra wattage.
A buyer working across changing venues, stronger lighting environments, or more demanding show conditions may value the additional headroom of a 5W model.
The J5 5W app-controlled laser is one example of that second approach. Its live product page currently identifies it as a 5W Bluetooth/App-controlled full-color laser.
Should You Buy More Wattage Than You Need?
A little extra headroom can be useful.
Especially for:
  • mobile DJs;
  • rental companies;
  • growing event companies;
  • venues with changing lighting conditions.
But “headroom” should not become an excuse to always buy the biggest number.
Ask:
What was the hardest type of regular job I handled during the last year?
If the answer is:
“Medium-size wedding ballroom, LED wall, longer throw, changing venue conditions,”
then buying additional headroom makes sense.
If almost every event is a small, dark indoor party, paying for significantly more output may not be the best use of your equipment budget.
If you need to compare a wider range of professional laser lights, you can browse the Starshine Laser Lights collection, which currently groups models by application and power range.
Buy for your hardest regular job—not your most extreme imaginary job.
Laser Safety Note
Multi-watt entertainment lasers are high-power laser products and must be installed and operated with appropriate safety controls.
Do not aim uncontrolled beams at people, vehicles, aircraft, or reflective surfaces.
In the United States, FDA classifies high-power Class IIIb/IV entertainment laser projectors and shows under specific federal requirements. For Class IIIb/IV laser light shows, responsible parties may need product/show reporting and an approved variance before producing the show.
An FDA accession number for a projector's product report is not the same thing as an approved show variance; Starshine's controlled J5 documentation makes that distinction explicitly.
Always follow the regulations applicable to your country and installation.
FAQ
Is a 3W laser projector enough for a wedding?
It can be. A darker ballroom, moderate throw, good haze, and limited competing lighting can make 3W practical. Bright LED walls or haze restrictions may change the answer.
Is 5W enough for a nightclub?
It can be for many nightclub setups. Room size, lighting rig, LED walls, haze, throw distance, projector quantity, and placement all matter.
Is a 10W laser too powerful for a small venue?
It may provide more output than you actually need. If 3W or 5W already produces sufficient visibility for your regular shows, 10W does not automatically create a better result.
How many watts do I need for 300 people?
There is no reliable wattage-to-headcount formula. Venue dimensions, ambient light, haze, throw distance, competing fixtures, and projector quantity matter more than audience count alone.
Does an LED wall mean I need a stronger laser?
Often it increases the need for headroom, but there is no fixed wattage multiplier.
Does haze make a lower-powered laser brighter?
Haze does not increase optical output. It makes aerial beams much easier to see by scattering light toward the viewer.
Are two 5W lasers equal to one 10W laser?
Not in show design. Two 5W units give you two projector positions and more coverage options; one 10W unit gives you more output from one position.
Does higher wattage mean better graphics?
No. Scanner performance, pattern complexity, modulation, projection size, software, and projection surface also affect graphic quality.
Why can one 5W laser look brighter than another 5W laser?
RGB distribution, wavelength, optics, divergence, atmosphere, patterns, and ambient lighting can all influence perceived brightness.
Can a 3W laser projector be used outdoors?
Wattage alone cannot answer that. You also need to consider throw, ambient conditions, mounting, safety, and actual weather protection.
What wattage is best for DJ laser lights?
For smaller, darker indoor events, 3W may be enough. DJs who regularly work in larger or brighter venues may benefit from the extra headroom of 5W or more.
Should I buy 10W now so I never need to upgrade?
Only if your regular or clearly upcoming work justifies it. Buying significantly more power than you use is not automatically better future-proofing.
So, Should You Choose 3W, 5W, or 10W?
Do not start with the biggest number on the specification sheet.
Start with:
Venue → Ambient Light → Haze → Throw → Show Type → Coverage
Then decide how much headroom you actually need.
3W can work very well when conditions are favorable.
5W gives you more headroom and flexibility.
10W makes sense when your regular jobs genuinely demand more output.
The best laser show projector is not automatically the projector with the highest wattage.
It is the one with enough output and the right beam, scanning, control, installation, and safety characteristics for the shows you actually produce—without making you pay for power that solves a problem you do not have.
Still Not Sure Whether You Need 3W, 5W or 10W?
Tell us your venue size, indoor or outdoor use, throw distance, lighting setup, and whether you plan to use haze. We can help you narrow down the right power range before you choose a projector.
Ask for a Wattage Recommendation
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