720P HD Camera: 720P HD wide-angle lens, super long standby time (3-6 months, defined by battery capacity) Motion Sensing: Supports motion detection. When motion is detected, the doorbell button will start recording and record the behavior of visitors. Human body sensing, someone stays, the host wakes up and sends a message. Remote Monitoring: Follow your home anytime, anywhere through your smart phone, remote viewing: No matter where you are, you can see the monitoring screen in the app anytime and anywhere, and you can talk to each other through it. With Noise Canceling Microphone: The doorbell has a noise-canceling microphone for two-way voice calls. You can communicate with visiting guests without losing them. Support 8 mobile phones to connect to the doorbell, and 3 mobile phones to watch at the same time. PIR Detection: The doorbell has a 166-degree wide-angle high-definition camera with a clear and wide field of vision. In addition, the video doorbell also supports passive infrared detection. Whether it is day or night, sunny or rainy, the camera can record clear images to ensure your home surveillance security., Manufacturer: QAXRZCUCD