Punch Card Time Clock Machine:
Electronic Punch Card Time Clock is that distribute a check-in card to every employee, the employee put their own cards to the electronic time recorder punch card machine when they go to the office or leave the office, the specific check-in/check-out time of the attendance will be recorded on the card.

Fingerprint Attendance Machine:
Fingerprint employee attendance machine is most widely used biometric attedance application nowadays. The employee only need to put their fingerprints upon the fingerprint sensor of machine when they arrive at the office, the thumb impression attendance machine will identify the fingerprint from the pre-set employee’s fingerprints database and record the attendance time.

Face detection attendance machine with strong rigor and non-repeatability . It take photograph for employee’s face and enroll them with user information into the facial recognition attendance machine in advance, when the members arrive at the office, they only need close their face to the attendance machine, face reader attendance machine will identify the face automatically. if identified correctly, the member will be allowed to go through to the office, otherwise the member will be rejected.