【Easy to Install and Pair】 No complex wiring , simply install the receiver between the lights to be controlled and power supply. Then 5 seconds to pair the wireless witch and receiver, you can turn your lights on and off from anywhere you want, in your bed / sofa or wall mount. Expand your lighting system freely but not affect the existing system. 【Programmable and Expandable】- One Thinkbee Wireless receiver can hold up to 8 remote switches, and one remote switch can control 3 receivers. The remote switch is as small as key, so you can hook it to keychain, and turn on your light immediately when you get home. 【Safety and Strong Signal】- IP66 waterproof, thus use safely even in damp places. The effective distance between the receiver and the control panel is up to 100ft indoors and 300ft outdoors. Strong signal through the walls and remote control your bulbs, halogen lamps, fluorescent lamps, CFLs, LED lights, fans and other electrical switchboards, etc. 【Various Occasions Available】 Small receiver fits easily in control boxes such as ceiling fixture, switch box, junction box. Ideal for use in homes, offices, hotels, factories, etc. Wide input voltage AC 80-275v, -40℃- +70℃ working temperature, you could use it in a variety of settings. 【Long Life and 5-Year Warranty】 600,000 times for Switch Button, 400,000 times for the relay of receiver and 8 ~ 10 years for lithium battery of wireless switch. CE, FCC, RoHS, IC Certified. Thinkbee Offer no-hassle 5-Year warranty and friendly 24-hour customer service. Thinkbee wireless light switch