PARAMETERSBrand: NAIERDIColor: BlackMaterial : ABS and zinc alloyLock Size : Please examine following photoFingerprint Capacity: 20Powersupply: three x AAA Batteries ( no longer integrated )Package includes: 1 set of fingerprint cabinet lock with crucial accessoriesNOTICEPlease allow 1-3mm error because of guide measurement,please ensure you do not intellect before you bid.Super Quick ResponseThe fingerprint lock can recognize your fingerprint in just 0.5 second and unlock immediately!Super Long Standby Time 365 Days3 AAA batteries can last working for about twelve months ( please observe battery is not integrated parcel )Backup Unlock MethodHere is an emergency morse code, in case of not able to liberate thanks to cracked fingers and other reason. If the battery power is empty, you might fee it through energy bank.