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. 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℃ 1 x Indoor Unit 1 x Outdoor Unit 1 x Mounting Bracket 8 x Mounting Screw 2 x Spacer 1 x USB Charging Cable 2 x English Manual