【Ready to go! Instructions for use: This waterproof wireless home doorbell is paired before delivery. No wiring is required during use, and no electrician is needed to install it. Installation can be completed in 1 minute: simply plug the receiver into the socket and it is ready to use. use. [Long range]: This wireless remote control doorbell can be used easily. High frequency electronic technology adopts FM signal mode, which has strong radio capability. Anti-interference and one-to-one signal pairing A. Don't worry about bad signal at home. side. And the detection distance can reach 600 feet in an obstacle-free environment. [Temperature, humidity, time HD screen] The wireless doorbell is equipped with A temperature and humidity sensor, which can understand changes in temperature and humidity. indoor environment in real time, allowing you to enjoy a healthy life. The time reminder function ensures that you will never miss any important moments. 【Weatherproof and energy-saving】: The