Smart Video Doorbell Wireless Remote Smart Video Doorbell Home Intercom HD Night Vision Wifi Rechargeable Antitheft Doorbell Features: Highdefinition clear video, 100 viewing angles, details are in front of the door, reliable and convenient WIFI connection, no wires , to achieve twoway doorbell and mobile phone pairing speak. Realtime mobile phone, support twoway calls, photos, recordings, take care of your family to make you safer without disassembly and recycling, builtin 800 MAH largecapacity lithiumion battery, charging time 1, 5 hours Equipped with infrared night vision, the doorbell automatically opens at night can be controlled via APP, smart and portable. Lightweight and portable, easy to set up and take down: guests can make video and voice calls. The host can realize the visitor information function without opening the door: wireless connection, ultralow power consumption, can support multiple accounts to watch online at the same time. Product Parameters : Product Name: Smart Visual Doorbell. Material: ABS Color: Black Sensor: GC0328 CMOS Sensor Lens: 100 Wide Angle Lens Sensor Performance: supports auto white balance, auto gain control, auto backlight compensation Signal to noise ratio: 441dB Night vision: 2pcs 850nmm28mil high power infrared light Night vision distance : 1 meter is the best, the longest distance is 3 meters Video format: JPG Video size/Frame rate: 480p/7fps Battery capacity: 800mah WiFi connection: 2.4Ghz WiFi Storage: Support cloud storage function (no AC function) rte TF), 3 days free cycle cloud storage. Operating voltage: 3.7 V. Package includes: 1 x doorbell