365nm UV Light Blacklight Keychain

This compact and affordable 365nm UV ultraviolet keychain flashlight features 1 LED UV light and can be used for a number of applications.  Use it for making some* fluorescent rocks glow, for ID verification, identifying scorpions while embarking on desert expeditions, hotel sanitation checks, detecting counterfeit money, and more.  Slip it on your keychain and have a handy portable UV light with you wherever you go!

*Not all fluorescent rocks will glow when exposed to 365nm UV light. In the video to the left you can see: 1) Willemite which glows green and 2) Wernerite which glows yellow. Some of the other rocks that may glow under 365nm light are: Flourite, Sodalite, Calcite, Aragonite, Scapolite, Opal, Ruby, etc.

Features:

• Compact 365nm UV ultraviolet keychain flashlight with 1 UV LED light
• Center wavelength: 365nm
• Powered by one CR2032 battery (included)
• Measures approximately 1.5 in (38mm) x 1 in (25mm) x 0.375 in (9mm)
• Simple on/off and push-button switch
• Good for a variety of applications, including lab experiments, science projects and classroom demonstrations

Note: Avoid direct exposure to eyes--this product should not be used by children.

Customer Reviews

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  Tiny light has power
Jill from USA, Michigan, Ontonagon
All ages find this tiny light amazing when viewing UV-responsive stones. I am totally satisfied with the product. There have been no duds in the hundreds I have purchased.


  Worked well to give away with yooperlites!
Evan from Michigan
They work well in the dark and are as bright as can be expected from one diode on a keychain ring. True 365nm as well! Plz keep in stock and I will continue purchasing


  Ok
Lisa from United States, Wisconsin, Two Rivers
These are not the brightest but in a pinch you can attempt to show someone a fluorescent sodialite