Feature:1. Easy Operation: The wireless switch does not need to break the wall or rewire, and the breaker can be controlled with the mobile APP.2. High Sensitivity: The receiver has a long remote control distance, receiving distance 100m/328.08ft (outdoor), 30m/98.43ft (indoor).3. Self Powered: The switch panel has a self generating button, which can convert the kinetic energy of the finger into electrical energy, saving economic costs.4. Safety Shell Material: ABS shell, flame retardant and high temperature resistance, not easy to deform, no spontaneous combustion under high temperature.5. Flexible Installation: Small in size, the switch can be freely attached to the wall or other places, and the breaker is concealed in the switch box.Specification:Item Type: Wireless Light Switch KitMaterial: ABSSwitch: Power Supply: Self generating without power supplyFrequency: 433MHzWorking Mode: Wireless infrared remote controlModulation Method: ASKWorking Temperature: -10-+70Switch Size: Aprox. 86 x 86 x 16.5mm/3.39 x 3.39 x 0.65inReceiving Distance: Approx. 100m/328.08ft (outdoor), 30m/98.43ft (indoor)Breaker: RF: 433.92MHzInput Voltage: AC100-240VOutput Voltage: AC100-240VCurrent: 10ABreaker Size: Approx. 48 x 48 x 23mm/ 1.89 x 1.89 x 0.91in.Package List:1 x Switch2 x Breaker4 x Sticker1 x ManualNote:When using wireless electronic products, you should avoid metal shield, large electronic equipment, strong sources of interference such as electromagnetic fields, etc., to avoid the remote control and the receiving distance being short or unable to work normally.