Smardeer - Smart Fingerprint Lock - Voice-Controlled, Fits 40-90mm Doors

- 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.

- Compatible with left and right door opening directions