DX  » Community » Reviews » 20mW 532nm Green Laser Module (3V 11.9mm)
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  • 5 Star:587 (58%)
  • 4 Star:334 (33%)
  • 3 Star:81 (8%)
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great product, worked perfectly

    posted by zexi0n on 06/17/2014 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    The product had a low price and high quality making it great for experimentation and getting good results. The laser is strong and is equal to 20mw which was the power level that was shown in the description of the product.
    Cons:
    The shipping and dispatch of the product did unfortunately take a while. Though the parcel did come protected and the actual it...
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    • Overall Rating: 5
    • Price: 3
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    nice Laser

    posted by YokoAUT on 05/11/2014 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    Bought two of these and two SKU 80920. - Good focus, sharp point. -No heat -I think short circuit will not damage (had 3 times) -easy to unmount, build the whole thing in a Flashlight SKU:222858 (in just one hour). -first I tested it with 2,85V on SKU:25539...
    Cons:
    eventually the big 1/4W resistor but all parts fits under the outer diameter. All in all, it's a little bit long. I placed wir...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 3
    • Ease Of Use: 3
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good laser

    posted by dooiespons on 01/09/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    - Really bright laser. - The beam is easy to focus. - Really cheap! - Useable for a simple laser projector
    Cons:
    - The wires let go easily, mine were already loose when i received it. - After a minute of use, the beam weakens. It gets too h...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    20 mw 532 nm laser module

    posted by einyaa on 12/21/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    Good build quality, strong clear beam. Instead of try adjusting the focusing lens, turning the whole outer brass assembly a couple of rounds counterclockwise, a burning focus may be established about 10 cm from the laser. The original focus was adjusted per...
    Cons:
    Output is 20-30 mW when cold, but decreases til less than 20 mW when heating up after a couple of minutes use. This may be fixe...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Very good module!

    posted by audiopluss on 11/01/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    - the laser diode can be easily replaced - driver circuit is included - very low price - easy use in any hobby - You can really see the beam in night
    Cons:
    - low quality - the output power is not 20mW (only2,5 = the diode is 20mW) - if there is no cooling, the diode dies - the leads...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 3
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Really bright and cheap laser with huge beam

    posted by neumpe on 07/11/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    -really bright laser -cheap -got an laser module and didn't have to disassamble anything
    Cons:
    -the two cable haven't been soldered. I have to solder them. -the workmanship varies from laser to laser
    View Detail » 
    • Overall Rating: 3
    • Price: 5
    • Quality: 2
    • Ease Of Use: 2
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Cheap, bright, but low quality

    posted by GregSA on 07/04/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Well priced Bright
    Cons:
    Big variation between units. Spot size and brightness varies. Some units are slightly longer than others. The turn-on times als...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Really good

    posted by Hug0 on 10/22/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    really brilliant I can clearly see the beam, I can even blow up balloons but this are just black. green color and very nice Reallyyyyyyy Cheap !!
    Cons:
    The son (+ and -) are very fragile, they must be soldering. I think that a component are break because it does not work anymor...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 3
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Nice little laser!

    posted by matej92 on 04/05/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:less than 1 day

    Pros:
    -Low price -Powerful, bright dot, visible beam with long range -Easy to disassemble the optics and modify -Contains a driver circuit, only 2 AA batteries needed
    Cons:
    -No IR filter, but that's OK, because the price is very good
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Awesome!

    posted by MistaMiagi on 03/04/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

    Pros:
    Bright, very Visible Beam, adjustable power output, good build quality, 2 removable lenses (shown in picture) makes the cat go insane, Great for signaling extraterrestrials, most amazing laser i've ever owned.
    Cons:
    i obviously didn't get the same laser as the one reviewer who commented that it burns matches. doesn't even heat my skin, even ...
    View Detail » 
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