.1,A self powered wireless light switch that does not require a battery. In the absence of a battery or WiFi, you can press the switch panel to convert the kinetic energy of finger pressing into electrical energy, and send a wireless 433MHz signal to the receiver to turn on or off the lights. .2,Easy to install, the switch panel does not require rewiring. Simply connect the receiver to the live and neutral wires of the desired light, and press the switch panel to control the light on and off (the original wall switch must be powered on) . 3, A self powered wireless switch with strong RF signals, which can transmit strong RF signals through walls and doors to control lighting fixtures in areas around 30 meters indoors (100 meters outdoors). Metal doors can shield signals and prevent penetration. It is very suitable for controlling lighting fixtures in homes, garages, external lighting, and gardens . 4, DIY your wireless light switch system, which can control a receiver with multiple switch panels, such as up and down stairs, entrance and bedside, requires multiple switch panels to control the lighting scene. Different wireless light switch kits will not interfere with each other and will not cross code Can create a perfect home lighting control system . 5,Waterproof self powered wireless light switch, due to the milliampere level of electricity emitted by the switch panel, there will be no circuit break, and it can be used even in damp environments such as bathrooms and courtyards. Simply press the switch panel to remotely turn on/off indoor lighting equipment, ceiling lights, plug-in chandeliers, lighting fixtures, difficult to reach lights, and other appliances. . 6,Wide voltage receiver: AC100-230V (can be used in most countries around the world), small receivers can be easily installed in control boxes such as ceiling fixtures, switch boxes, and junction boxes. Rated power: 10A Cerhot offers a one-year worry free warranty and 24-hour friendly customer service.