Product information: 
 LCD resolution 480*272 
 Power supply: 5000mAh lithium ion battery (built-in), normal use (3-5 times a day) about 30 days standby time. 
 Power prompt: APP prompts in real time, when the power is less than 5%, the device will prompt low power, low power APP cannot link to the device 
 Camera: HD 1 million pixels, resolution 1280*720 
 Video format: H.264 
 Picture format: JPG 
 Display: 5 inch/4.3 inch TFT high-definition color LCD screen 
 Memory card: Maximum support 64GB 
 Door thickness: 35mm-130mm (please measure the door thickness before purchasing) 
 Door hole diameter: 15mm-60mm 
 Viewing angle: 140 degrees, using 1 million orthodontic camera
 Equipment performance: 
 Wi-Fi digital door peephole viewer 
 Menu/APP language: multi-language options for booting 
 PIR motion sensor, used to automatically detect body movements, trigger boot push messages and video (videos are recorded on the local memory card). 
 Automatic infrared night vision function at night, night vision distance is about 3 meters. 
 24-hour intelligent security monitoring, APP can actively wake up the device and passively monitor, real-time power reminder, etc. 
 Mobile video call, you can take pictures (the cloud and the mobile phone), and video (there is a local memory card or mobile phone) 
 Alarm method (video call or video recording) 
 Easy to install