... door lock,biometric lock fingerprint lock LCD fingerprint ID Electronic didgital keypin biometric door lock alarm function,circuit ... board, LCD, fingerprint ID lock password lock Control panels circuit boardElectronic, didgital, keypin, card swipe, biometric, locks for ... = 1 ~ 12 (default value of N = 6, namely, 57600bps)working environment:Temperature: -20 ° C to +40 ° CRelative Humidity: 40 ...