UNLOCK WITH 4 WAYS: Door Lock 4-in-1 with fingerprint + password + app + Key(2 include), fingerprint recognition rate up to 98% and open the door just need 1 second. Support ios and android devices. EASY INSTALLATION: Fingerprint door lock is designed to fit US standard door, Backset 2-3/8″(60mm) and 2-1/8″(70mm), door thicknesses from 1-3/8" to 2-1/8"(35mm -55mm).
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