Characteristic: 1. Multiple unlocking methods: The lock core supports fingerprint, password and mechanical key unlocking. It supports up to 100 fingerprints and 30 sets of passwords, which is secure and convenient. 2. Anti-peeping password: Support virtual anti-peeping password, enter random password before and after the correct password, making your door very secure. 3. Key and emergency power connector: The mechanical backup key and external power interface are designed to prevent battery depletion. 4. 360 automatic detection: 360 automatic detection can effectively identify correctly registered fingerprints at any angle of the module. 5. High Quality: Supports 100,000 compressions, made of high quality zinc alloy material, safe and environmentally friendly, ensuring high stability and safety quality. 6. Easy to use: Low power consumption design, energy saving and durable, strong anti-interference ability, easy to install, all necessary accessories are provided to facilitate your installation. Specification: Product Type: Intelligent Lock Cylinder Material: zinc alloy Security level: Top Suitable door types: security doors, doors, wooden doors, glass doors Adjustment to door thickness: approx. 40mm-100mm/1.57-3.94 inches Lock cylinder size: 70mm/2.76in (35mm/1.38in, 35mm) (i.e. the hole of the lock cylinder is in the middle position) Password capacity: 30 groups (the first group is the management password) Password length: 6-12 characters Initial password: 123456 Fingerprint capacity: 100 pieces Electrostatic protection: 15KV Input voltage: 3.6-5V Current: Working current <135mA, standby current <10uA Working temperature: -20-70 Compressive strength: 100,000 times Battery Type: 3 AAA batteries (not included) Unlock method: fingerprint, password, key Hints: Please note that this product is not waterproof and is for indoor use only