... . (BTS-K28) Fingerprint Time Attendance is an innovative biometric fingerprint reader for Time & Attendance applications, offering unparalleled ... : ZEM5104. Sensor: ZK Optical Sensor5. Algorithm Version: ZK Finger v10.06. Communications: RS232/485, TCP/IP,USB-host ... ,Fingerprint Time Attendance System,Fingerprint Time Recorder,Biometric Time Attendance,Bimoetric Time Recorder,Time Attendance .