Now you can easily keep an eye on who is standing on the other side of the door. The clock has a built-in camera with a sensor that can detect movements and adjust the light balance in the image, and automatically changes from day to night, so you don't have to worry about blurry images. The doorbell can be connected wirelessly to your smartphone via a secure WiFi connection, so you can easily keep an eye on your home when you are not at home. The clock sends a message to your smartphone when someone is standing in front of it. Specifications: Supports WiFi connection, Android / iOS app Easy to install and use Night vision Camera angle covers 166° Ultra-low power consumption and long standby time Waterproof Image resolution: 720P / 480N Encoded format: H.264 Standby time: approx. 8 months Alarm response time: 3-55 seconds Recording method: Manual, doorbell trigger, motion detection TF card storage: Up to 32G TF card storage (not included) Material: ABS Environment: -10 ~ 50 Humidity: