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How to apply an external power supply
When the battery voltage is insucient, and the
door cannot be opened from the outside, you
can power up the lock by connecting a 5V power
bank to the Type-C port. After opening the door
lock, please replace the batteries immediately.
Battery replacement
The working power of the door lock is 4pcs AAA
alkaline batteries.
Unscrewing the screws on the interior assembly
to remove the cover and replace batteries.
Type-C port