Tuya Electronic Smart Door Lock with Biometric Fingerprint Password APP Key Unlock USB Emergency Charge Keyless Entry Knobs Lock ,Easy Install

- Support biometric fingerprint, password, IC card, mechanical key, mobile phone multiple unlocking methods - Fully automatic unlocking and locking, easy to use - 7.4V 4200mAh rechargeable lithium battery. A full charge can work for 5 months - Built-in HD 1080P smart cat's eye surveillance camera - Built-in smart doorbell, take pictures and videos automatically when the doorbell is pressed