Can the smart doorbell of Shanghai Telecom be used by one household?

Smart doorbell of telecom Tianyi housekeeper: it has the functions of motion detection, visual call of visitors, infrared night vision, cloud storage, tamper-proof alarm, remote control of mobile App and so on. This is a new smart home product that combines cat's eye and doorbell. It is not only a doorbell, but also a housekeeper. Monitor the situation outside the door for 24 hours, send abnormal trends to the mobile phone remotely, and pay attention to the situation at home even if you are not at home; Not only can the visual intercom be real-time, but also the voice can be changed, making the home safer and the reply more interesting; Ultra-clear infrared night vision, built-in dual-light filter, active switching between day and night vision, dark night can also see the door, all-round waiting for night safety; Two-way voice intercom function, realize real-time voice intercom, just like talking and communicating around you.