Intelligent, versatile door lock that balances convenience, security and simple installation. Key benefits Multiple access methods: Bluetooth, numeric password and a mechanical key give you flexible options for entry and a reliable mechanical backup. App control and monitoring: Manage users and check lock status from the Tuya app for straightforward, local control and oversight. Quick, no-drill installation: Replaces the cylinder by disassembling the existing unit — no drilling required — so you save time and avoid altering the door. Durable construction and modern appearance: High-quality metal body with a black finish for long-term reliability and a clean, contemporary look. Compact, widely compatible size: 160 x 65 mm fits most standard doors for easy replacement without bulky hardware. How it solves problems Reduces lockouts: Multiple entry methods (password, Bluetooth, mechanical key) ensure you can enter even if one method fails. Low-friction installation: No drilling and simple cylinder replacement minimize installation time, contractor cost and door damage. Dependable daily use: Metal construction and reliable mechanics give consistent performance for residential or light commercial settings. Practical applications Home front door: Provide family members Bluetooth access from their phones, give temporary passwords to visitors, and keep a key as a backup. Small office or shared workspace: Issue or revoke digital access via Tuya for employees and contractors without changing physical keys. Short-term rentals or property management: Set timed passwords for guests, monitor access, and avoid rekeying between stays. Specifications Access methods: Bluetooth, password entry, mechanical key App compatibility: Tuya app for management and monitoring Installation: Cylinder disassembly; no drilling required Material and finish: High-quality metal with black finish Dimensions: 160 x 65 mm (fits most standard doors) Reliable, easy to install and simple to manage — a practical smart lock for homes, offices and rental properties that need flexible access and a discreet, durable design.