It comes and goes twice Odace Schneider Electric is a back and forth with 2 buttons to control two lights, ideal for large rooms or to control a ceiling and a floor lamp with a single switch. Features: Double switch will come Command: Switch Mounting: screw Colour: White (RAL9003) hardware format: Pozidriv # 1 Stripping the son: 12mm installation depth: 18,75 mm Dimensions (HxWxD): 71x71x33,6 mm packaging: Delivered in its original packaging