Self-powered wireless switch: no cable, no battery, easy installation, environmental protection and no pollution. safe and waterproof, can be directly installed in a bathroom, used with wet hands, can also control remote lights and heaters, no fear of electric shocks, no worries about rust or moisture on the battery, etc. Change quickly the position of the switch, create a switch anywhere, such as a remote control, remote control table lamp, etc., very practical, compatible with any bulb, such as halogen CFL fluorescent LED incandescent. The maximum wireless remote control distance is 150 meters, but walls and obstacles will affect the distance. Before installation, we recommend testing the distance of the receiver first. What you find in the box: 2 x wireless switch, 1 x receiver, double-sided tape, 2 x screws, 1 x product manual. Self-generating wireless switch: no wires, no batteries, easy installation, environmental protection and no pollution. Safe and waterproof, can be directly installed in the bathroom, wet hands can also touch remote control lamps and heaters, don't worry about electric shock, don't worry about wet battery and rust , etc. Quickly turn the existing switch position, create a light switch anywhere, or as a portable remote control, remote control night light table lamp, etc., very convenient, compatible with any bulb, such as halogen / incandescent / CFL / fluorescent / LEDs. The maximum distance of the wireless remote control is 150 meters, but the wall and obstacles will affect the distance. Before installation, we recommend that you test the distance of the receiver first. What you get: 2 wireless switches, 1 receiver, double-sided tape, 2 screws, 1 product manual.