U650-C is a 3 inch TFT screen Time Attendance Terminal. Adopting the new user-friendly firmware, it has new features such as like stunning GUI, more stability, faster matching speed and better expandability.-U650-C is compatible with various types of USB flash disks, Photo ID, ADMS and former SDK. Moreover, RS232/485, TCP/IP, Wi-Fi and USB-host/client ensure a smooth date transmission between device and PC