Features 1、Wireless Connection: This door peephole camera can connect wirelessly to a WiFi router. You can monitor (handheld including smartphones, for Android tablets) and 1 way or 2 way intercom (view visitors, video calls, snapshots, recordings, etc.) with noise reduction. 2、Long Standby Time: This digital peephole veiwer has a built in 5000mAh high capacity battery with long standby time, it supports 30 days standby time, with low battery alert and USB port for more convenient charging. 3、English And Chinese Supported: This camera door viewer supports English and Chinese. (Distributed Network Prompting Voice) For the language in the mobile app, the language selection will be shown after downloading the app, then you can choose and set the appropriate language according to your country. 4、Storage Card Supported: This electronic peephole doorbell supports up to 128G memory card(not included), and supports HD catching, video recording and video playback for storing pictures and videos. 5、Wide Application: This electronic door viewer bell has a wide range of applications and can be used in homes, apartments, villas, hotels and offices. Specification Item Type: Door Peephole Camera Material: ABS Pixels: 1MP HD Screen Size: 4.3 Inch Storage: Memory Card Slot (Not Included) Alarm Method: Record and send to phone. Detection Method: High Sensitivity Motion Detection APP: For UBOX Night Vision: Infrared Night Vision Up To Approx. 3m / 9.84ft View Angle: Greater Than 160 Degrees Monitoring: View Outdoor Situation At Any Time Infrared Light Emitting Diode: Approx. 850mm / 33.46in WIFI: IEEE 802.11b/g/n Sound: 2 Way Communication, Noise Reduction APP Support: For Android, For IOS Battery Capacity: 5000mAh Lithium Battery x 1 (Included, Charging Once Every 12 Months) Package List 1 x Monitor 1 x Peephole 1 x Mounting Bracket 6 x Install Screws 1 x Accessories 1 x USB Cable 1 x Manual