Speed comparison: fingerprint response speed is about 0.2 seconds Fingerprint sensor performance: 360 degree identification, self-learning unlocking Functions: fingerprint, Bluetooth, Bluetooth keyboard Sensor type: semiconductor module fingerprint Recognition rate false: Less than0.001 Rejection rate: Less than1% Connection distance: about 2 meters (about 2000 unlocks per charge) Charging time: about 1 hour and 10 minutes Full battery cycle: more than 300 times Low voltage alarm: 3.6 v (wake up lock red light flashes 5 times fast) Working current: 230ma (Maximum) electrostatic current: standby power consumption is about 20u Standby time: about one year Temperature: - 10~45 C Material: lock body 3 # zinc stainless steel lock beam Unlock : fingerprint+Bluetooth app+key APP: Xiaobao Number of that can be entered: 15 Battery capacity: 160 Waterproof grade: IP65 Material: Metal colour: black Package Contents: 1 x Smart Fingerprint Padlock Only the above package content, other products are not included. Note: Light reflection 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.