Fingerprint Unlock, your fingers unlock everything 0.2s speed recognition, 360 arbitrary angle recognition, induction rate less than equal 0.2s structure, zinc alloy and splash proof lock body protects your assets against thieves Safe and secure, O11 remain locked even run out of power Low Power Alert and quick charge technology Unlocking method:Fingerprint recognition Fingerprint storage:30 fingerprints Charging interface:USB Emergency unlocking:Morse code Standby time:half a year Working temperature:-10-50C Color:Silver Material:Zinc Alloy Package Contents: 1 * Smart 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.