BATTERY-FREE OPERATION: This switch harnesses , 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. 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. 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., Manufacturer: Jnchdghwa