DX  » Community » Reviews » 3-in-1 5mW Red Laser + White Light + UV Light LED Flashlight Keychain (3 x AG13 / LR44)
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  • Overall Rating: 4
  • Price: 5
  • Quality: 3
  • Ease Of Use: 5
  • Usefulness: 4
Nifty little toy. – 3-in-1 0.5mW Red Laser + White Light + UV Light LED Flashlight Keychain (3 x AG13 / LR44) Reviews

posted by cblue on 01/04/2013 Certified Owner

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.
Other:
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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