UV-B ranged lamp is useful in detecting watermarks, invisible security inks & tracers in foreign currency, checks, and documents. May also detect, cracks & repairs in china, pottery, artworks or anywhere glues, adhesives, fillers, have been used. Originally designed for skin evaluation; plastic cased Avon "Derma-Spec" skin imager contains a UV-B bulb, power supply & reflector. 12VDC powered by a 12VDC @ 500mA plug supply. Auto turn off after 50 seconds.
