An Attendance Punching Machine Is A System To Verify A Person’s Identity. Attendance Machine Is A System to Verify A Person’s Identity. Fingerprints, Voice Patterns, Iris, Face Recognition And Hand Measurements Are The Characteristics To Identify A Person. Biometric Systems Use Fingerprints Of The Employee To Verify The Identity Of The Person Clocking In And Out. The Fingerprint Of The Employee Is Scanned, The Endpoints And Intersections Of The Fingerprint Are Matched With The Record Present In The Database And Accordingly, The Access Is Granted. All They Have To Do Is To Just Punch Their Finger On The Biometric Device And Rest Of The Work Automatically. Hotels/Motels – To Know The Exact Number Of Empty Rooms Or Occupied Rooms In The Hotels. These Attendance Systems Are Used In All Types Of Hotels Nowadays. Time And Attendance Systems (TNA) Are Used To Track And Monitor When Employees Start And Stop Work. A Time And Attendance System Enables An Employer To Monitor Their Employees Working Hours And Late Arrivals, Early Departures, Time Taken On Breaks And Absenteeism. A Biometric Time And Attendance System Is A Time Clock That Tracks Some Unique Physical Characteristic Of Each Employee When They Clock In Or Out. … Biometric Data Can Comprise Vascular Patterns, Fingerprints, Iris Patterns And Voice Recognition.