DX » Community » Reviews » 3-in-1 5mW Red Laser + White Light + UV Light LED Flashlight Keychain (3 x AG13 / LR44)
5.0
  • 5 star 44 ( 63% )
  • 4 star 24 ( 34% )
  • 3 star 2 ( 3% )
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  • Nifty little toy.

    posted by cblue on 01/04/2013
    2

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

    Pros:

    The three functions of this all work properly.
    I'm a physics teacher and I use this for demonstrations when teaching geometric optics. The laser is actually a laser and not a red LED.
    The UV light is actually UV and not a blue LED.
    The white light is... well a white light!

    The build quality is okay, not great, but it definitely isn't falling apart or malfunctioning either.

    It comes with a little removable plastic piece that makes turning on the UV/laser more difficult. I assume this is for when you carry it in your pocket.

    Cons:

    For my purposes, none. It does the job.
    It would be nice to have a stronger laser, but asking for that is like asking for it to be cheaper.. There's no end to it.

    OtherThoughts:

    The chain portion of the keychain is a little flimsy, but again, this isn't a con to me, so it's an "other thought".

    Bottomline:

    This is a nice toy or something to carry around. In Canada the UV is able to illuminate markings on money, so I suppose you could use it to detect counterfeit currency...

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