Feature 1 CLEAR AND DETAILED IMAGES: With a 1080P HD resolution and a wide angle lens, this digital door viewer camera captures high grade footage and provides a clear view of the surroundings. You can easily observe any activity at a distance. 2 SECURITY ALERT: Whenever someone stands outside the door, the display screen lights up and alerts you with a prompt sound. This feature is extremely handy for the elderly or children at home without smartphones, as they can simply check the screen for any outdoor activity. 3 CONVENIENT WIFI CONNECTION: The doorbell peephole viewer can be easily connected to your WiFi network, allowing you to check the door situation anytime, anywhere via a mobile APP. It also supports remote dialogues, adding more convenience to your daily life. 4 MOTION DETECTION: Visual doorbell comes with a PIR human detection module that accurately determines if a moving object is a person, effectively improving its recognition rate. Whenever someone stands by the door, an alert is automatically sent to your phone. 5 TOUGHENED LENS: The doorbell camera's shell, constructed from damage resistant aluminium alloy and the lens being enforced with hard glass, guards it against intentional damage, making it a truly durable choice. 6 CUSTOMIZABLE INSTALLATION: The camera supports door panel thicknesses from 411CM and peephole widths from 1640MM. The installation process is simple and straightforward: simply insert the camera wiring from outside to inside of the door, attach the door viewer to the door with the included screws, attach the display screen and you're good to go.Item Type: Digital Door ViewerMaterial: ABS+Aluminum AlloyPixel: 3MPInfrared Light: 1Night Vision Distance: 5mSound Pickup Distance: 5mScreen Size: 4.3 inchesScreen Resolution: 480x272Video Encoding: H.265Storage: Memory Card (not included) (supports up to 128GB)Battery Type: Lithium ion BatteryBattery Capacity: 5000mAh (included in the package)Charging Interface: Small USBWiFi Version: 2.4GHzApp Name: For iCam365Screw Length: 3cm, 5.5cm, 8cm, 9cm Package List1 x Camera1 x Display 1 x Charging Cable8 x Screws1 x Film2 x User Manuals