Smart fingerprint lock, your security housekeeper, zinc alloy lock body, anti-rust and anti-corrosion; USB charging interface, built-in smart chip, can record multiple fingerprints, fast induction, accurate identification, one-key unlocking; key and fingerprint dual-use, Small and easy to install; Lithium battery design, battery capacity is 230mA, 6 months long battery life. Widely used in office and household furniture cabinets, drawers, filing cabinets, lockers, etc. During use, if the battery is exhausted and the lock cannot be unlocked, you can use the USB port and an external power supply (charging treasure, etc.) to unlock the lock in an emergency. When the fingerprint lock has not entered the fingerprint, any finger can unlock the lock. Colour: as shown Material: metal Package Contents: 1 set x fingerprint lock Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.