... reliable 3. convenient functions of the fingerprint lock: 1.International standard bolt, extremely safe and reliable;2.Imported ... 5 microampereDynamic Power Consumptionless than 150 milliampereworking voltageinternational standard batteries, Four 1.5-volt alkaline batteries, ... flashing after releasing,enter the process of lock initialization,lock initialization is successful after two short-beep. ...