Product name: Smart password lock Color: Black Size: 150mm Material: Aluminum alloy Battery: Four AA batteries Package contents: 1 Smart password lock Key benefits Durable construction: aluminum alloy provides a sturdy, corrosion resistant lock body for reliable daily use. Flexible, nodrill installation: Fits doors with a threebar lock, RING lock, or split lock and installs without punching or drilling, so you can fit it yourself quickly. Multiple convenient access methods: Unlock with a mobile phone, fingerprint, password, IC card, or mechanical key to suit different users and situations. Smart notifications and logs: Compatible with the Tuya app to view door lock messages and unlock logs from your phone for easy monitoring. Quiet, respectful operation: Silent hands reminder mode prevents repeated entry and exit notifications so household rest is not disturbed. Fast biometric recognition: sensitivity semiconductor threedimensional fingerprint sensor delivers accurate and quick fingerprint identification. Features Material: Robust aluminum alloy construction for long service life and consistent performance. Fingerprint sensor: Semiconductor 3D sensor for higher recognition accuracy and antispoof reliability. Power: Operates on four AA batteries for simple, replaceable power. Connectivity and control: Use the Tuya app to receive notifications and review unlock history remotely. Installation: Designed for easy mounting on compatible locks without the need to drill; supports threebar lock, RING lock, and split lock installations. Access methods: Mobile phone, fingerprint, password, IC card, and key are all supported for flexible entry control. Silent hands reminder: Optional mode to reduce notification sounds while maintaining entry tracking. Typical use scenarios Home front door: or upgrade a conventional lock on an apartment or house door for keyless access and activity logs. Office or small business: Provide multiple staff with tailored access methods while tracking unlock events through the app. Shortterm rental or shared housing: Grant temporary mobile or card access to guests and monitor entry history without changing physical keys. What you get One smart password lock with the listed features and compatibility for easy installation and smart control.