Compact smart lock module compatible with the TTLock app. Designed for everyday access control, it offers three reliable unlocking methods: fingerprint, Bluetooth, and mechanical key. Its compact black housing measures 8.5 x 6.5 x 2 cm, making it easy to fit on doors, cabinets, or storage compartments where space is limited. Key benefits Multiple unlocking options: fingerprint sensor for quick hands access, Bluetooth control through the TTLock app for remote management, and a mechanical key for a dependable backup. Easy access management: use the TTLock app to add or remove users, set temporary access, and monitor entry history from your smartphone. Space saving design: small footprint at 8.5 x 6.5 x 2 cm keeps the lock low profile and suitable for tight installation spaces. Practical reliability: responsive unlocking and a mechanical key override reduce the risk of lockout in everyday situations. Versatile use: the combination of biometric, wireless, and physical entry methods accommodates different user preferences and scenarios. Function and compatibility Unlocking methods: fingerprint, Bluetooth, key. App compatibility: works with the TTLock app for configuration and access control. Size: 8.5 x 6.5 x 2 cm (3.35 x 2.56 x 0.83 inches). Color: black. Construction: compact and robust design intended for regular use without adding bulk. Performance Fingerprint unlocking provides quick authentication for frequent users. Bluetooth connectivity enables remote unlocking and user management through the app. Mechanical key provides a reliable manual override when needed. Practical applications Home entry and interior doors: install on apartment doors, bedroom doors, or utility rooms where compact form and multiple access methods improve daily convenience. Office and shared workspaces: control and track access to cabinets, supply rooms, or small office doors while assigning temporary access to contractors or visitors. Short term rentals and property management: grant or revoke remote access for guests through the app without physical key exchanges. What is included and technical summary Dimensions: 8.5 x 6.5 x 2 cm. Unlocking: fingerprint, Bluetooth, mechanical key. Color: black. App: compatible with the TTLock app for setup and access control. This smart lock module combines biometric convenience, app based control, and a mechanical backup in a compact package suitable for a variety of residential and light commercial applications.