1.Video Call Easy to deal with visiting guests, when someone presses the doorbell, the doorbell will push notification to the phone, and the owner can enter the phone video conversation interface, which supports sharing to up to 10 members at the same time. 2.Capture screen Storage to the cloud, security protection drip. When a visitor presses the doorbell, it can capture the visitor's picture and save the record to the cloud, so that the cell phone APP can view the past pictures at any time, which is safer and more secure. 3.Portable Installation Can be pasted and perforated. Support adhesive backing, no need to punch holes, while supporting hole punch installation. No plugging, convenient and hassle-free. 4.Long Standby No disassembly cycle charging. Built-in lithium-ion high-capacity battery, standby 365 days Say goodbye to the trouble of frequent battery replacement. 5.ultra wide angle lens let the doorbell clearly record the movement of the front door without missing every key picture, Manufacturer: JOJIDE