Punch Card Machine

One of the most popular biometric time clock attendance systems is punch card attendance system. A punch card is a flat and stiff paper with notches cut in it and contains digital information. In punch card attendance system, employees use this punch or proximity card for in andor out. To use a punch card, employees just need to wave the card near a reader, which then ensures whether the correct person is logging in andor out.
Punch card attendance system prevents the proxy attendance and records the accurate in andor out time of each employee. Like all good things come along with bad things, punch card attendance system also has a few disadvantages, it has a complex software and hardware and needs expensive machines to install.