Display 2.4-inch TFT LCD Color Screen Fingerprint Capacity 3000 Card Capacity5000 Transaction Capacity30,000 SensorSilkID Sensor CommunicationRS232/485,TCP/IP,USB-host,Wi-Fi Access Control Interface3rd Party Electric Lock, Door Sensor, Exit Button, Alarm Wiegand Signal Input, Output Aux. Input1ea for linkage function FunctionsDST, Automatic Status Switch, Record query, T9 input, 14 digit user ID, Anti-passback, Scheduled-Bell, Printer(Optional) Operating Temperature 0 °C ~ 45 °C Dimension(LxWxH) 158.5x78.0x19.4mm Operating Humidity20%-80%