Another popular and versatile component of an electronic-attendance-recording-system is the use of proximity or smart cards. Employees are issued a unique card that they can tap or swipe at a reader to clock in and out. This method is fast, simple, and reliable. The system instantly records the time, date, and location of the transaction, and the data is uploaded to a central server. ... https://mobiworkforce.com.sg/electronic-attendance-recording-system/