The eSSL Identix K21 gives you the complete package for Fingerprint Time & Attendance System. It comes with a 2.8”-inch Color TFT Screen. It features a fingerprint sensor with 500 DPI Optical Sensor.This system gives you a dual mode of Access Control – either SSR Mode or Software Mode. This feature makes it more advanced than its predecessor the K20. It has a SSR Recorder and Automatic Status Switch along with Self Service Query. The device has a quick response rate of less than 1 second.Make access control in your office, school, gym, clubhouse, etc easier than ever before, just by the touch of a finger!