1. The ID card is authorized to unlock, the lease time period is controlled, and intelligent unmanned management is realized;

2. Remotely collect and report information on renters, exempt from rounds, and master the basic and mobile information of renters;

3. Before renting a house, there is no need to lead by hand. The second landlord can remotely control the door lock switch, eliminating the need to look at the house;

4. When the household forgets to bring or lose the door card, the landlord can use the system to send a one-time password to unlock, authorize the opening time period, and save the trouble of manually sending the door card;

5. System supervision of rent, water and electricity charges. If the payment is overdue, the household shall be informed by SMS to lock the door lock automatically; if the fee is received, the door lock will resume normal use;