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The trhim of this smart digital password door lock is made by zinc alloy, with a small slide cover to protect the OLED display screen and fingerprint senser from dust.
The USB socket is under the OLED display screen, getting your lock with back-up power supply faster.
The anti-door-viewer opening function can be turned on or off by press the button on the inside handle.
In future, we will always try our best to make high quality, popular and reliable chinese door lock products for our customers.
