Smart Biometric Fingerprint Keyless Door Lock

Experience strong security and convenience with our Smart Biometric Fingerprint Keyless Door Lock. Designed for the modern home, this advanced lock offers five versatile unlocking methods: instant fingerprint recognition, a secure anti-peep virtual password, smooth Bluetooth APP control, and traditional physical key access for absolute peace of mind. Say goodbye to lost keys and fumbling for them, and embrace a smarter way to protect your property. Stay informed with low battery alerts conveniently delivered via the TT Lock app. Never worry about being locked out thanks to an emergency micro USB power interface, allowing temporary power supply via a power bank, and included backup physical keys, ensuring continuous access even in unexpected power situations. Product Specifications Model: M4 Dimensions: 145 x 65 mm Material: Zinc Alloy Unlocking Methods: Fingerprint, Anti-Peep Virtual Password, Bluetooth APP, Physical Key Fingerprint Sensor: Semiconductor Acquisition Module Fingerprint Capacity: Up to 30 unique fingerprints Recognition Speed: < 0.5 seconds Power Supply: 4 x AAA 1.5V Batteries (not included) Operating Temperature: -20°C to 55°C Emergency Power: Micro USB Interface What's Included in the Box 1 x Front Handle 1 x Rear Handle 1 x Lock Tongue 1 x Gusset 1 x Buckle Box 2 x Physical Keys 1 x Square Bar 3 x Two-in-One Screws 1 x Reversing Screw 3 x Front and Rear Panel Pair Lock Screws 4 x Self-Tapping Screws 1 x Screwdriver 2 x Battery Box Cover Screws 1 x Instruction Manual Care and Maintenance Guidelines Clean the lock's exterior regularly with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, which can damage the finish or electronic components. Replace batteries promptly when the low battery alert is indicated by the TT Lock app or the lock itself to ensure optimal performance and prevent unexpected lockouts. Ensure the fingerprint sensor and keyhole are kept clean and free from dust, dirt, or debris to maintain accurate recognition and smooth operation. Do not expose the lock to excessive moisture or extreme temperatures outside its specified operating range (-20°C to 55°C). For installation and troubleshooting, always refer to the included instruction manual. Professional installation is recommended for optimal security and functionality.