Electronic Digital Tuya Smart Cylinder With Fingerprint Password App Bluetooth Card Mechanical Key Easy Replacement 4AAA Battery

Electronic Digital Tuya Smart Cylinder With Fingerprint Password App Bluetooth Card Mechanical Key Easy Replacement 4AAA Battery

Features

Multiple methods of unlocking

Tuya App, fingerprint, NFC,card, mechanical key，pincode unlock; easy to use it whether children or older. Keyless：Never worry forget to bring the key.

APP remote control

This keyless entry door lock allows you to check the visitor records on Tuya APP, see which visitor at what time unlocked the door, enhance the security level of your home. When the door lock and gateway are used together, the APP can be used to remotely control the unlocking.

Mechanical keys and emergency power supply (USB) can be used when the door lock is out of power

Easy to install and use

Only 3 minutes to diy install without breaking the door or changing the door body and no professional installer required;

Suitable for most doors

Adjustable length cylinder lock, 99% of world doors to compliance; easy replacement of existing lock cylinder.

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Note:how to adjust cylinder size from 60mm to 70mm//90mm learn the video below=======================================