EASY INSTALLATION: Easily integrate this self-powered wireless switch into your existing lighting system without rewiring or damaging walls. Simply connect the relay receiver to the power source and desired fixture. It's an innovative solution that complements your existing setup and improves ease of use. BATTERY-FREE OPERATION: This switch harnesses kinetic energy, converting motion into electricity, eliminating the need for batteries. This not only reduces maintenance but also promotes an eco-friendly solution. It's ideal for anyone looking to increase efficiency and convenience in their home without ongoing costs. FLEXIBLE REMOTE CONTROL: Permanently secure the switch with screws or tape, or opt for portable use by removing the faceplate. Its versatility makes it ideal for those who prefer both fixed and mobile solutions to manage their lighting preferences. Working voltage: AC85-250V Control distance: 100m Load power: 2.5KW Control type: RF Control working current: 10A Rated frequency: 433MHz Transmitting power: less than equal 10dBm Coding method: learning code security code: 32 bits (4.3 billion groups) Receiver sensitivity: -110dBm Transmitter control point: RF wireless radio frequency transmitter Function button: close, unlock, stop Number of compatible remote controllers: multiple transmitters and one receiver Colour:White Material:Plastic Package Contents: 2x Wireless Light Switch 2x Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.