Square Rotary Knob Fingerprint Password Smart Ball Lock, All-in-One Anti-theft Smart Lock for Indoor Wooden Doors

Description

This smart ball lock is made of zinc alloy with a matte black finish, making it scratch-resistant and wear-resistant. The overall dimensions are 76×76mm, suitable for door thicknesses of 30-48mm. It integrates a semiconductor fingerprint sensor and physical raised numeric keys, supporting fingerprint, password, and mechanical key unlocking methods. The copper bolt is sturdy and durable. The lock body has a simple structure, making modification and installation convenient without complex drilling. It is suitable for guesthouses, rental apartments, and bedroom wooden doors. It comes with a complete set of installation hardware accessories, a low battery warning, and simple daily maintenance.