... and more practical functions (TFT, Camera, 12V lithium ion battery etc).iClock700 ensures an unparallel level of user interaction ... application more visible and reliable.Time & Attendance:Internal 12v lithium ion battery protect he data from losing Sizeable Storage Capacity : ... : RS232, RS485, TCL/IP, Optional WIFI, GPRS module, USB port available to easy data transfer.SpecificationSensor: Finger ...