Is it quick to install China Telecom’s smart doorbell?

Hello, Tianyi Housekeeping smart doorbell can not only listen, but also watch, and can also video intercom. When someone outside the door rings the doorbell, the smart doorbell's indoor high-power speaker will ring. At the same time, the camera of the smart doorbell will wake up, and the owner can use the Xiaoyi Guanjia App to check the situation outside the door captured by the camera in real time on the mobile phone to see whether it is an acquaintance or an agreed person who comes to the door. Real-time video intercom and two-way voice , handle things at your doorstep as if you were on site. Not only can it facilitate daily life, but it can also prevent theft. Once someone stops in front of the door, the doorbell will automatically record the video and push a message through the Xiaoyi Guanjia App. If the smart doorbell is stolen or forcibly removed by others, don’t panic because it will sound an alarm sound at this time. Alarm messages will also be received and intervention measures can be taken in a timely manner.