... 4.5VZinc alloy materialSuitable for wooden or security doorOnly living fingerprint can unlock the doorApplication: home, office room, store ... , will, lab, bank, hotelParameters1. Fingerprint storage capacity97pcs 2. Resolution500 DPI3. Verification checking time≤ 1” ... T/T, western unionDoor opening directions: 2011 good quality biometric fingerprint lock LT-500A with LED screen