Feature: 1. It is small and easy to carry, stores up to 20 fingerprints. 2. Quickly identify your fingerprints with advanced semiconductor contact fingerprint sensors. 3. Each time it is unlocked, it will continuously increase the pass rate through fingerprint stitching, image recognition, and self-learning algorithms. 4. The emergency power supply adopts USB interface, which is convenient for use with mobile phone chargers or charging device. 5. Suitable for wardrobes, drawers, shoe cabinets, office cabinets, newspaper boxes, metal cabinets, wooden cabinets, tool boxes, mailboxes, school lockers, etc. 6. Never worry about losing keys, your finger is your key, bringing convenience for your life. 7. Made of high quality zinc alloy material, durable and safe. Specification: Condition: 100% Brand New Item Type: Fingerprint Lock Material: Zinc Alloy Color: As Pictures Shown Unlocking Mode: Pure Fingerprint Fingerprint Capacity: 20 Power Type: Lithium Battery (Built-in) Use Time: Charging for 2 hours, 180 days of continuous use, unlocking ten times a day Size: Approx. 34 x 34 x 16mm / 1.34 x 1.34 x 0.63in Package List: 1 x Fingerprint Lock1 x USB Cable1 x Screw Kit1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.