720P high-definition camera: high-definition 720P wide-angle lens, ultra-long waiting time (3-6 months, defined by battery capacity). Motion detection: Support motion detection. When motion is detected, the buzzer button will start recording and recording the behavior of tourists. Detect the human body, someone stays, the host wakes up and sends a message. Remote control: Follow your home anytime and anywhere through your smartphone, remote display: Wherever you are, you can see the monitoring screen in the application anytime and anywhere, and you can talk to each other through it. Microphone with noise cancellation: The buzzer has a noise cancellation microphone for two-way voice calls. You can contact visiting guests without losing them. It supports 8 phones connected to the buzzer and 3 phones viewing simultaneously. PIR detection: The buzzer has a 166 degree high-definition wide-angle camera with a clear and wide field of vision. In addition, the video buzzer also supports passive infrared detection. Whether it's day or night, sunny or rainy, the camera can capture clear images to ensure the safety of your home's monitoring., Manufacturer: QAXRZCUCD