ESSL Fingerprint Attendance Machine F-22 Bio-Metric Attendance Machine with Access Control System Fingerprint capacity 3000, Card Capacity 3000 Fingerprint attendance system. Biometric attendance machine. Employee time clock. Time and attendance system. Biometric time clock. Fingerprint time clock. Biometric fingerprint reader. Employee attendance tracking. Timekeeping system. Digital time clock. Employee time management. Time tracking software. Attendance tracking device. Biometric access control. Employee time and attendance. Time clock software. Biometric security system. Fingerprint recognition system