Smart Fingerprint Door Lock Biometric 3in1 with Password Keypad Emergency Key for Home Security black
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Feature: 1. Keyless intelligent door lock, multiple unlocking methods, fingerprint + password + physical key. 2. Touch screen fingerprint access, read the fingerprint, and then unlock the door. The door is automatically locked to protect the safety of the family. 3. With emergency USB power interface and spare key. When the power supply is severely insufficient, use the spare key. USB mobile power supply can also be used as a temporary power supply. Do not lock it. 4. The adjustable fixing screw size is between 60mm and 70mm, suitable for doors with a thickness of 35?50mm. 5. Simple door handle setting, suitable for various situations, instead of standard singlecylinder American door lock, suitable for left and right, inside and outside. S
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