Features: 1. Full HD & IR Night Vision: This HD wireless video doorbell camera equipment, with a wide viewing angle of 120, offers crystal-clear images and video recordings. Built-in IR lights automatically sense the ambient light and switch to night vision mode, permitting you to see clearly even in darkness. 2. Real Time Video Call: When someone presses the doorbell, the doorbell will push a notification to the mobile phone, you can enter the mobile phone video call interface, and the mobile APP can check the situation of the people at the door in real time. Through the indoor ding-dong machine, someone outside rings the doorbell, the ding-dong machine will ring, reminding someone to visit. 3. 8 Or More Accounts Can Be Shared: Multiple accounts can be shared simultaneously with friends and family, 1 main account + 8 shared accounts = 9 users can be connected to the doorbell, and multiple accounts can view videos at the same time. 4. Long Standby Time of 365 Days: Built-in polymer large-capacity battery, no disassembly cycle charging, standby time of 365 days, completely say goodbye to the trouble of frequent battery replacement. 5. Cloud Storage: Free cycle storage of pictures for three days, unlimited storage capacity in the cloud, safe backup, support classified viewing, can be downloaded and stored locally, and can be viewed at any time, simple, convenient and fast. Specification: Material: ABS Color: Black Size: Doorbell Camera: 42 x 25 x 81mm, Doorbell Receiver: 40 x 39 x 64mm Signal-To-Noise Ratio: 41dB Minimum Illumination: 0.8Lux/F1.4 (Color Mode), 0.3Lux/F1.4 (Black And White Mode) Night Visions: 2pcs 850nm28Mil High Power Infrared Light Night Visions Distance: 1 Meter Is The Best, The Longest Distance Is 3 Meters Video Format: JPG Video Size/Frame Rate: 30W/7fps Battery Type/Capacity: Polymer 803035/800MAH Network Protocol: TCP/IP/HTTP/TCP/UDP/DHCP/DNS/DDNS/NTP/RTP/P2P WIFI Connection: 2.4GHz wifi, Support (802.11 b/g/n) Working Voltage: Polymer 803035/3.7V Working Current: Working Current 219mA, Deep Sleep Current 10WA, Open Infrared Working Current 280mA USB Charging Voltage: DC5V / 1.5A Storage Temperature () : (050) Operating Temperature () : Working Temperature: -1050, Working Humidity < 95% Weight: 121g Package Included: 1 x Wireless Video Doorbell Set