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How to open the door of Zhi Zhi House remotely?

You can choose password unlocking, mobile phone unlocking, Bluetooth /NFC unlocking, WeChat unlocking and property call unlocking. If it is a visitor, after the door machine dials the room number, it will automatically call the owner's mobile APP for remote video (audio) call and intercom, and open the unit door remotely after confirming the identity of the visitor.