1Keyless padlock, convenient fingerprint unlocking, helps you get rid of the fear of losing or forgetting the key. 2Compact design, smart and easy to carry, up to 10 sets of fingerprints can be entered. 33 indicator lights in different colors, can clearly show different states of the device. 4IP65 waterproof and dustproof allows widely using in dormitory doors, gymnasiums and warehouse doors, etc. 5Support USB charging (please fully charge the device for the first time using), long standby time, up to 2 years. Item Type: Fingerprint PadlockMaterial: Zinc AlloyColor: BlackFingerprint Sensor Shape:SquareFingerprint Sensor Size: Approx. 10.4 x 10.4mm/0.4 x 0.4inStorage Capacity: 10 Sets of FingerprintsUnlock Method:Fingerprint UnlockFingerprint Record: Short Press to Unlock, Long Press 3S to Set Fingerprint, Long Press 6S to Delete FingerprintBattery: Lithium Battery 300mAh 3.7V(Built-In)Charging Current: 5V / 1AStandby Time: 2 YearsPadlock Size: Approx. 75 x 48 x 16.4mm/3.0 x 1.9 x 0.65inWorking Temperature: -20 - +70 1 x Fingerprint Padlock1 x USB Data Cable1 x Manual 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.