Description

This portable 4-watt long-wave UV light is handy for small scale, close-up demonstrations, such as fluorescence of mineral samples, soap powders, paints, currency, and some credit cards. It uses 4 AA batteries, not included. 6 inches long. Colors may vary. Note: Batteries must be installed according to diagram. If they are installed backwards, the "torch" will light, but the "tube" will not: