Mini UV curing light.

This little device is intended for curing UV activated nail varnish, but it seems powerful and has other applications. The UV LED is a 1W device with an ubiquitous 8 pin anonymous chip providing a one minute timer function. Not sure the exact wavelength, but it's definitely a shorter wavelength than typical decorative UV LEDs.

If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm