Feature:1. Fingerprint unlocking, no need to worry about losing the key or forgetting the combination. It can be charged by connecting to USB via a data cable (please fully charge the device for the first use).2. The fingerprint lock can record up to 10 fingerprints, and it can record the fingerprints of your family members and close people, which is convenient and practical.3. IP65 waterproof and dustproof design, suitable for outdoor use. Long standby time, up to 6 months.4. Use three‑color indicator lights, the indicator lights are in different colors, and different colors represent different states of the device.5. Small size, easy to carry, widely used, suitable for home, dormitory doors, gymnasiums and warehouse doors, etc.Specification:Item Type: Intelligent Fingerprint LockMaterial: Zinc AlloyColor: BlackFingerprint Sensor Part Size: Approx. 10.4x10.4mm / 0.4x0.4inStorage Capacity: 10 sets of fingerprintsFingerprint Record: Short press to unlock, long press for 3S to set fingerprint, long press for 6S to delete fingerprintBattery: Lithium battery 180mAh 3.7V(Built-in)Charging Current: 5V / 200MAStandby Time: 3 monthsProduct Size: Approx. 91x54x25mm/3.6x2.1x0.9inWorking Temperature: -20℃ - 70℃ Package List:1 x Fingerprint Lock1 x USB Data Cable1 x Manual