Tuya intelligent door lock supports multiple unlocking methods, APP/fingerprint/mechanical key/IC card to make your lifes smarter. Easy to install, high safety level, perfect for homes, offices, hotels, apartments, etc. Features: Multiple Unlock Methods: Intelligent door lock, support 4 unlocking methods, APP, fingerprint, mechanical key and IC card, making your lifes more convenient. Remote Unlock: Use with Tuya APP, you can remote unlock the door for quick access, check the member, unlock records, setting, etc., with high safety levels. Sensitive Recognition: With semi-condictor fingerprint sensor, quick access with fingerprint with low false recognition, nice for old men or kids. Emergency Power: Powered by CR123A battery(not included), no need to plug in, with Type-C interface, when the battery is dead, it can charge in time. Automatic Locking: The door lock will automatically lock after 5 seconds of unlocking, more secure. You can turn off the function on Tuya APP, which is turned on by default. Wide Application: Practical door lock, perfect for homes, offices, hotels, apartments, etc. Waterproof design, it can be used for outside doors. Specifications: Color: Black / Silver(optional) Material: Aluminum Alloy + Brass Unlock Way: APP, Fingerprint, Keycard, Manual Key IP Class: IP5X Reader Dimension: 42 * 42mm Door Thickness: 35-50mm Package Size: 255 * 100 * 70mm/ 10.0 * 3.9 * 2.8in Package Weight: 490g/ 17.3oz Packing List: 1 * Door Lock 2 * Keycard 2 * Manual Key 2 * Sucker 1 * Wrench 1 * Manual