... 5 voltage,the door will opened normally, it is the time to change batteries;7.Having a direct window, be able ... , store, will, lab, bank, hotelParameters1. Fingerprint storage capacity97pcs 2. Resolution500 DPI3. Verification checking time≤ 1” 4.Battery lifeone year or so5 ... terms:Payment: T/T, western unionDoor opening directions: 2011 good quality biometric fingerprint lock LT-500A with LED screen