Feature:1. Easy Installation: Easy to install without rewire, compact size can be installed in limited space, such as canopy, distribution box, electrical box.2. Self Powered: The kinetic energy is converted to electrical energy, self powered light switch is eco friendly and durable, more convenient.3. Transmitting Distance: The effective distance between the receiver and the wall switch is up to 50m/164ft indoors and 200m/656ft outdoors.4. Strong Signal: Powerful signal can penetrate walls and doors without any interference, high sensitivity, remote control your light.5. Wide Application: Wall mounted light switch has a wide range of application, ideal for use in offices, hotels, restaurants, factories, etc.Specification:Item Type: Wireless Light Switch KitMaterial: PC and electronic componentsColor: WhiteWork Type: Rocker typePower Mode: Kinetic energy self generating electricityOperating Frequency: 433MHzCommunication Mode: FSK, OOK, 2.4GMaximum Load: 10ATransmitting Distance: Approx. 200m/656ft(outdoor), approx. 50m/164ft (indoor).Package List:1 x Wireless Light Switch2 x Receiver4 x Double Sided Adhesive Tape1 x User Manual