Specification Technical Specifications Display 2.4-inch TFT LCD Color Screen Fingerprint Capacity 3000 Card Capacity 5000(Optional) ID or mifare card Transaction Capacity 100,000 Sensor SilkID Sensor Algorithm Version ZKFinger VX10.0 Communication RS232/485, TCP/IP, USB-host Access Control Interface 3rd Party Electric Lock, Door Sensor, Exit Button, Alarm, Doorbell Wiegand Signal Input, Output,SRB Aux. Input 1ea for linkage function Functions DST,Automatic Status Switch, Anti-passback,Scheduled-Bell,Printer & Wireless door bell (Optional) Power Supply 12V DC,3A Operating Temperature 0 °C- 45 °C Operating Humidity 20%-80% SDK and software Standalone SDK,ZKAccess3.5 software