Welcome to the store! 1. 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. Power adopts USB interface, which is convenient to use with a mobile phone charger or charging device. 5. Suitable for wardrobes, drawers, shoe cabinets, office cabinets, newspaper boxes, metal cabinets, wooden cabinets, toolboxes, mailboxes, school lockers, etc. 6. Never worry about losing keys, your finger is your key, providing convenience for your life. 7. Made of high-quality zinc alloy material, durable and safe. Item Type: Fingerprint Lock Material: Zinc Alloy Color: as pictures shown Unlock Mode: Pure Fingerprint Fingerprint Capacity: 20 Power Supply: 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 1 x Fingerprint Lock 1 x USB Cable 1 x Screw Kit 1 x Manual Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!