1. High Resolution: The video doorbell camera features a 2MP 1080p HD resolution with a large 4.3 inch screen, providing a clear view of the outside of your door.2. 24 Hour Surveillance: The camera motion detection and automatically notifies the mobile app when someone stays within 1 to 3 meters of the door for 5 seconds, providing all day monitoring.3. Smart PIR Infrared Detection: With a 160° diagonal wide angle view and a PIR human induction sensor, three levels of sensitivity are available for selection.4. Real Time Live Streaming: With HEVC (H.265) encoding protocol, ensures smooth live streaming and fast video uploading, when a Micro storage card (not included) is inserted, the doorbell will continue recording even outage.5. Rechargeable Battery: Equipped with a built in 5000mAh rechargeable and a micro USB charging interface, a single can last between 40 to 60 days.Spec:Item Type: Smart Video DoorbellMaterial: ABSScreen Size of Indoor Unit: 4.3 inchesDisplay Resolution: 1920x1080pViewing Angle: 160°Camera : 2MPStorage: Supports micro storage card (not included, maximum support 128G)Indoor Unit Battery: 5000MAH battery (built in)packing list:1 x Outdoor Unit1 x Indoor Unit8 x Screw2 x Screw Ring1 x Mounting Backplate1 x USB Charging Cable2 x Instruction Manual