Lightspeed Flip 16 Lighting Controller powered by Allen Bradley. Automated 8 ballast, 16 light switching unit, allows you to run 16 lights from 8 ballasts. Works with ballasts plugged into any voltage. Heavy duty Lightspeed construction, these units are built to last! Can be used with any 120V timer. Save money on ballasts and use 8 ballasts to run 16 lights! Optional 240V timer outlet.