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EXTERNAL BATTERY COMPARTMENT
● An external battery compartment (white plastic box with wires) in the package.
● When the internal battery is exhausted. You can put the battery in it, plug it into the socket on the panel, and
you can continue to use your fingerprint and password.
Caution:
● The socket is at the bottom of the panel, and you can touch a raised part with your hand.
● The external battery compartment is recommended for emergency use. Please update the internal battery
when you reopen the door.
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