Smart Video Doorbell Wireless Remote Smart Video Doorbell Home Intercom HD Night Vision Wifi Rechargeable Anti-theft Doorbell Features: High-definition clear video, 100 viewing angles, details are in front of the door, reliable and convenient WIFI connection, no wires , to achieve two-way doorbell and mobile phone pairing speak. Real-time mobile phone, support two-way calls, photos, recordings, take care of your family to make you safer without disassembly and recycling, built-in 800 MAH large-capacity lithium-ion 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, ultra-low 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 best, longest distance is 3 meters Video Format: JPG Video Size/Frame Rate: 480p/7fps Battery Capacity: 800mAh Wi-Fi connection: 2.4GHz Wi-Fi Storage: Support cloud storage function (no TF card function), 3 days free cycle cloud storage. Operating voltage: 3.7 V. Package includes: 1 x doorbell。This product does not include batteries, which need to be purchased separately (18650) Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.