Feature: 1. Intelligent Digital Peephole Viewer: Can connect wirelessly to your WiFi router and is controlled through a smartphone app, supports noise reduction, two way intercom, and video calls. 2. PIR Detection: 1080P camera with a 120 degree wide angle, supports night vision, PIR motion sensor triggers push messages and videos within seconds when human movement is detected. 3. Storage Card Support: This peephole viewer supports English and Chinese language, supports micro storage cards up to 128GB (not included) and allows for optimal image capture, video recording and playback. 4. User Sharing Support: You can set up the peephole viewer by holding down the reset button for a few seconds and scanning a QR code, following vocal prompts to proceed to the next steps. 5. Long Standby Time: The peephole camera supports 30 days of standby time (usually 3‑5 calls per day), a built in 5000mAh battery, low power reminder and USB port for convenient charging. Specification: Item Type: Digital Peephole Viewer Material: ABS Viewing Angle: 120 Degree Sensor: 1080P Display: 4.3in IPS LCD screen APP: Support for Android, for iOS Battery: 5000mAh Lithium Battery (built in) Infrared Night Vision: Support Automatic Photograph: Support Motion Detection: Support Two Way Intercom: Support Maximum Memory Support: 128GB (Memory Card Not Included) Applicable Door Thickness: 35-120mm/1.38-4.72in Language: English, Chinese Compatible Door Aperture Diameter: 14-30mm/0.55-1.18in Operating Temperature: -20--55℃. Package List: 1 x Indoor Unit1 x Outdoor Unit1 x Mounting Bracket 8 x Mounting Screw2 x Spacer1 x USB Charging Cable 2 x English Manual