Advanced Doorlock

When the battery is low, you will get notification thru apps. The rest power could only be used for about 50 times.
When battery is out of power, you can unlock the door with key or supply the lock with power through the micro-USB port and use fingerprint or password to unlock it.

AA x 4
1.5V alkaline batteries

Goodbye to keys
embrace smart beginnings
Smart AI fingerprint tech
Adapts and gets smarter over time
Mortise strength you can trust
Secure as a fortress
Zinc aluminum body
Build to last and stay like new

Ways to Unlock

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Specification of Product