F180S Fingerprint Door Lock Biometric Keyless Entry Smart Lock

【SAFE AND RELIABLE】Fingerprint door lock can unlock your door within 1 second. It has a false recognition rate of <0.001%, can accurately identify fingerprints, and is safe and reliable. And the door lock will be automatically locked after 3 seconds after unlocking, to prevent the safety problems caused by you forgetting to close the door in a hurry. 【Emergency Charging】The smart door lock requires 4 AAA batteries . Depending on the frequency of use, the battery needs to be replaced every 12 months. When the battery is low, it will flash a red light to remind you. At the same time, it comes with Type-C emergency charging in case of emergency. 【DIY INSTALLATION】The biometric door lock is packaged with instructions. You only need a screwdriver to complete the installation independently. Please check the door size before buying. It is suitable for doors with a thickness of 1.18 (30mm)-2.56 (65mm) inches, a lock margin of 2.36 (60mm)-2.76 (70mm) inches, and a key hole size of 1.97 (50m