... with USB to transfer data Door access control with USB to transfer dataFeatures: ... controller, Support 99 time zones, 5 groups, 10 door-opening combinations24 hours continuous operation availableSaves data during power ... out, USB portAttendance status : Check in, Check outFunction support : Door bell, Schedule Bell, SMSAlarm : Dismantlement alarm, break-in alarm, duress alarmCustomize Function ...