Every individual's fingerprint is unique. The scanner verifies the biological identity of the person clocking in or out. This directly prevents employees from clocking in for absent or late colleagues using ID cards, PINs, or sign-in sheets.To clock in or out, an employee must be physically present at the scanner to place their finger on the device. This eliminates remote or proxy clo... https://mobiworkforce.com.sg/fingerprint-time-and-attendance-system/