Features 【Wi-Fi Door Peephole Viewer and Phone App Supported 】Digital Door Viewer with wireless connection to a wireless WIFI router. By connecting the internet at home, you can monitor and communicate through the phone app whenever and wherever you are, never missing any visitors or anyone wandering outside. Simply connect the camera doorbell to APP within 10 seconds! 【1080P HD Camera Doorbell with 4.3 Inch Viewer Monitor】The 4.3-inch colour display screen is extremely easy to use, even for the elderly and children. No longer need to lean against the door to look through the tiny peephole. You’ll know who’s outside by pressing the home button. 【Smart PIR Human Detection & Night Vision】Digital peephole camera built in Infrared detection high-definition sensor, when a suspicious charater wanders outside the door, the camera unit will start to work and automatically captures and saves the video in sd card.Door peephole camera with night vision, you can still see clearly everything outside of the door even in very low-light level environment. 【Built-in 5,000 mAh battery 】5,000 mAh rechargeable lithium battery. You can save your videos on a Micro SD Card (up to 128G),This digital door camera enables one way or two way intercom with noise reduction, allowing you to view visitors, engage in video calls, take snapshots, record audio, and more. 【Ultra wide 120° visual coverage】 This smart peephole camera features a 1080P camera with a wide 120 degree angle, ensuring clear and comprehensive viewing of the surroundings. Specification: Item Type: Wireless Peephole Camera Material: ABS Model: SY 36 Operating System: for LiteOS Lens Pixel: 1080P Screen Size: 4.3 inch IPS LCD APP: Support for Android, for IOS Battery Capacity: 5000mAh lithium battery (built in) Wide Angle: 120 degree Support: Infrared night vision, automatic snapshot, monitor intercom, motion detection External Storage: Up to 128G micro storage card (not included) Support Door Thickness: Approx. 35-120mm/1.38-4.72in Language: English Chinese Suitable Door Hole Diameter: Approx. 14-30mm/0.55-1.18in Operating Temperature: -20~55℃ Package List:1 x Monitor1 x Wireless Peephole Camera (Storage Card Not Included)1 x Installation Bracket8 x Installation Screws2 x Washers1 x Power Cable2 x User Manuals Package List 1 x Monitor 1 x Wireless Peephole Camera (Storage Card Not Included) 1 x Installation Bracket 8 x Installation Screws 2 x Washers 1 x Power Cable 2 x User Manuals