Why Choose GreenSun Wireless Switch? No Batteries or Wiring Needed: The GreenSun Cordless Switch Tool is self-powered, reducing the need for battery replacements and offering a safer, more convenient, and energy-efficient solution. Multi-Location Control: Connect up to 5 wireless switches to control your devices from different locations, such as bedrooms, stairs, bathrooms, kitchens, balconies, and basements. Long-Lasting Durability: Our outlets can be switched on and off over 200,000 times. Assuming 4 breaks per day, the switch's lifespan can reach 137 years. Extended Control Range: Enjoy a control range of 50 meters indoors, with the switch signal capable of passing through 3 walls. In open spaces, the GreenSun switch can control up to 200 meters. Easy Installation: Our products come with bilingual instructions, making installation a breeze, even with limited electronics knowledge. Wall-Friendly Mounting: We include wall stickers and screws, allowing you to mount the switch without damaging your walls. Simply use the stickers to attach the switch to the wall. Control from Anywhere: Place the switch wherever you need it and control your lights from that location – no wall damage required!