Usage Tips: Color: Gray Voltage: 6V Unlock Way: Bluetooth Tuya or IC Card Power Supply: 4*AA batteries (not included) Unlock Mode: 13.56MHz IC Card & Tuya APP (Bluetooth) Specifications: No drilling design: stylish and elegant, does not damage your door, maintains door integrity Quick response: 0.5 second unlock response, significantly reduces door opening time Lightweight design: lightweight construction, eliminates bulky door locks, allows easy entry Smart app control: mobile app unlocking, remote management, real-time access log viewing Safety assurance: constructed with precision steel locking bolt and reinforced materials for reliable performance Package Included: 1 x Main lock 1 x Lock catch 1 x Accessories package 2 x IC Cards Notes: 1. This lock is a Bluetooth-enabled lock. For WiFi control, please select the version with a gateway. 2. This lock is designed for wooden doors only and is not suitable for metal doors. 3. The Tuya APP can be used to unlock the door only. It cannot be used to lock the door. The door will automatically lock when closed.