Feature:1. Clear Image: Digital door viewer features a 1080P camera that provides high definition image quality, allowing you to have a clear view of the environment outside your door.2. Anti Theft Surveillance: With built in anti theft functionality, digital door viewer effectively protects your home and enhances your security.3. Smart Doorbell: Equipped with PIR smart door viewer technology, the device automatically detects visitors and provides a convenient and secure doorbell experience.4. Large Screen Display: The 4.5in high definition electronic door viewer screen ensures that you have a clear view of people and objects outside your door.5. High Resolution Camera: Door viewer is equipped with a 2MP camera that catches more details, ensuring that you don't miss any important moments.Specification:Item Type: Door Viewer CameraMaterial: ABSIndoor Unit Size: Approx. 15 x 13 x 8cm / 5.91 x 5.12 x 3.15inOutdoor Unit Size: Approx. 62 x 62 x 15mm / 2.44 x 2.44 x 0.59inDoor Hole Range: Approx. 15-40mm / 0.59-1.57inDoor Thickness Range: Approx. 35-105mm / 1.38-4.13inLCD Screen Size: 4.5inResolution: 480 x 854Camera Pixel: 2MPBattery Type: Lithium Battery (with matching battery)Battery Model: 3.7V Lithium ionBattery Quantity: 1Battery Capacity: 2500mAhCamera Pixel: 1080P.Package List:1 x Door Viewer Camera 1 x Monitor1 x Data Cable6 x Screws1 x Panel1 x Battery1 x User Manual