The SCS 9310-NO Overhead Air Ionizer w/Power Source eliminates the build-up of static charges on insulative materials in a work area. It has a built-in automatic emitter point cleaner and provides steady-state DC ionization. The SCS 9310-NO Overhead Air Ionizer w/Power Source has adjustable fan speeds and an illuminated power switch. It also features an easy-access cover for fan and emitter maintenance, and has a white powder-coat metal housing. PLEASE NOTE this unit does not come with a power cord. Power cord is sold separately.