Model: YAM-804; Power supply voltage: AC200V-240V 50Hz/60Hz Output 200V-240V; Transmission battery: 12V 23A battery (NOT included) The remote control indoor distance is about 15m, anti-disturbance, not obstructed by the wall The remote control and switch can be used simultaneously for convenience and flexibility; Quick and easy to install and replace Each set of remote control switches has independent coding, and multiple sets in the same room will not interfere with each other Ideal for remote controls, crystal lamps, modern low pressure lamps, absorbing ceiling lamp, dayflower lamps, fluorescent lamps, energy saving lamps, exhaust fans, LED lamps, etc., warehouse, garage, factory, office lighting workshop and other suitable places