... 1.MOQ is 10pcs 2.Backup battery is optical 3.Embedded alarm clock 4.Turn off device automatically 1 ... GT583.Product brief introduction. Identification speed obviously improved, process 3,000 fingerprints, no matter good or poor, within 0 ... User capacity3, 000Transaction Storage80, 000Period of dataKeep data for 3 years without currentSupport baudrate9600BPS, 19200BPS, 38400BPSVerification mode1: N, 1 ...