The compact TP-8620CS OPTI-Lite™ reveals leaks in confined areas that may be unreachable with larger lamps. Unit is 7 1/4” long and weighs five ounces. Powered by six LEDs, with light output comparable to a 50W lamp, can illuminate fluorescent dyes. Features a 100,000-hour bulb life and an inspection range of two feet or more. Comes with fluorescence-enhancing glasses, and includes three AA batteries.