USB Rechargeable Fingerprint Padlock

Material: Zinc AlloyModel Number: F12A / F12BItem Name: Smart Fingerprint PadlockWorking Voltage: 3.0-4.2VLock weight and Size: 90g,7.6*4.6*1.3(cm)Fingerprint Sensor Coverage: 72*64MMUnlock Speed: within 1 secondWorking Period: a year per power ChargeLED light: three color light: red / blue / greenBattery: 3.7V lithium build in batteryWorking temperature: -20~+60 degrees CelsiusFingerprint Capacity: Record 10 times and save 10 groups