Access control performs authorization, identification, authentication, access approval, and accountability of entities through login credentials including personal identification numbers (PINs), biometrics, scans, proximity cards or electronic keys. This, however, avoids unauthorized persons from accessing specific doors in your company. Our Time and Attendance system provides from basic to multiple Time and Attendance functions. It helps to manage effectively most of possible work rules and conditions, such as free shift, multiple shifts, complicated overtime work rules and more. You need to know about a book of ra demo.