Specification: size: 76 * 40 * 13 mm weight: 106 g color black material: zinc alloy Product Package: Fingerprint Padlock * 1 USB Cable * 1 Unlock fingerprint Your finger is your key. Quick unlock, record up to 20 different fingerprints. Robust and portable This mini fingerprint padlock design case is made of a metal case with an aluminum alloy and a stainless steel shell for excellent cut resistance. Long-term and low-voltage alarm The intelligent padlock is equipped with lower power consumption and a long standby time. Full rechargeable support 1 year standby time and can be unlocked over 1000 times. Widespread use It is a portable smart box lock, the size of which makes it possible to take the lock with you wherever you go. The powerful, intelligent universal fingerprint lock is suitable for outdoor and indoor use, such as home, gym, gate, warehouse, closet, shed, suitcase, handbag, box, bicycle, bicycle, luggage, fence , Garage, office, etc.