Ener-J WS1052XS 3 Gang Wireless Kinetic Switch, Silver Wireless Kinetic Switch Dose not need any power cords. Gang: 3 Gang. Colour: Silver. The Ener-J WS1052XS 3 Gang Wireless Kinetic Switch, Silver dose not need any power cords, batteries or whatever power source. Through a wireless control terminal, such as the light or motor. Reduce PVC tubing, wiring and cutting walls. Reduces battery usage, renovation waste and noise, and CO2 emisson. Reduce manual labor, decrease construction costs by 30%, Speed up progress by 40%. Free installation; can randomly alter the installation location for the young and old to use. Waterproofso perfect to use in bathrooms where youdon�t need to worry about voltage regulations since these are volt free. Can pair up connection, control at will, and dock with smart home system Wireless kinetic switches does not use batteries, creates no wear and tear, and can be used for 60 years. Specifications: Power Mode: Kinetic energy; Self powered. Work Type: 86 Push button type. Voltage: NA. Gang: 3 Gang. Colour: Silver. Operating Temperature: -20�C~60�C. Distance: Up to 20m Indoors and up to 80m outdoors. Rated Life-span: 100,000hrs. Communication: RF 433Mhz. Connection: Wi-Fi 2.4GHz. Product Size: 86*86*15mm. Product Weight: 72g.