1/ TUYA & TTLock App version are available to choose
2/ Access by App, M1 Card, Fingerprint,Pass code, Wristband or key
3/ Adjustable single latch/50 series/5572
4/ Back-up USB external power supply interface, in case the power is dead.
5/ One-Touch-Access biometric fingerprint sensor on the reader
6/ Waterproof, aluminum alloy lock panel
7/ Reversible free style handle
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