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Useful nice Gostei Bad liftime It is ok...
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  • Nifty little toy.

    posted by cblue on 01/04/2013

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


    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.


    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.


    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".


    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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