Wsdcam Wireless Light Switch Outdoor 1900 ft Indoors 229 ft - Remote Control Ceiling Lamp LED Bulb Lights - IP54 Waterproof Add wireless on/off switch to lights without wiring - Create a wireless switch for lights which don't have switch or no wall switch, like pull chain light fixture, ceiling lights Relocate light switch without tearing walls - No pulling wires to your switch location, no tearing walls, easily remodel your existing switches location Work with Wsdcam wireless switch receiver - A switch can pair with multiple receivers to accomplish a switch simultaneously turn on or turn off a group of lights in one room or across the entire house Elegant design and easy installation - Self-powered switch by CR2032 button lithium battery, no wiring to power. Place switch anywhere you want or use as portable remotes CE, FCC, ROHS, CQC Certified & Water Resistance - No electric leakage probable. IP54 waterproof , works great at wet environment like bathroom, outdoors