The Sirchie 6 W Shortwave UV Forensic Light Source provides a constant high output. The housing is constructed from vinyl-covered aluminum to withstand rugged use. The brushed steel cover ensures bulb protection at all times. Light sources are offered in a shortwave (254 nm) version. A convenient AC adapter is provided for 110 V/220 V operation. DC power is afforded by 8-AA alkaline batteries. Blinking LED indicates lamp ON. Straps are mounted on both sides of the unit for left or right-handed use.