May be used alone (hand-held) or in viewing cabinets.
Lamps have one longwave (365 nm) and one shortwave (254 nm) tube, 115V
Lamps have one longwave (365 nm) and one shortwave (254 nm) tube, 120V
Lamps have one longwave (365 nm) and one shortwave (254 nm) tube, 230 V
