Description 【Ready to Use】: This waterproof wireless home doorbell is paired before delivery. No wiring or electrical installation is required during use, and installation can be completed in 1 minute: plug the receiver into the socket and it's ready to use. 【Long Range】: This wireless doorbell with remote control and radio frequency electronic technology uses an FM signal scheme, which has strong anti-interference ability and one-to-one signal matching. You don't have to worry about a poor connection with the neighbor's signal. The detection range can reach 180 meters in an obstacle-free environment. 【HD Display for Temperature, Humidity, and Time】 The wireless doorbell is equipped with a temperature and humidity sensor that detects changes in indoor temperature and humidity in real time, allowing you to enjoy a healthy life. With the time reminder function, you'll never miss an important moment. 【Weatherproof and Energy-Saving】: The battery-free wireless doorbell is made of