Wireless 2-channel button in E-Design55, 80x80mm outside, frame inside dimensions 55x55mm, 15mm high. Very quiet and with battery (service life 2-5 years). Wireless buttons with a rocker can send two evaluable signals: press the rocker up and press the rocker down. The mounting plate can be screwed onto a flat surface or stuck to the wall, glass or furniture with the included adhesive film. The sleeves in the box are used for screw fastening over a 55 mm switch box.