iButton Tap Display Type No Display Mount Surface No of Employees 2 000 Time Clock Depth 1 1/2 in Battery Backup No Records Calculates Pay Bi-Weekly Semi-Monthly or Weekly. Employee Name Actual and Rounded Work Hours Overtime Location Includes (10) iButtons/Keytabs USB Cable TimePilot 5 On-Premise Edition Software Download Instructions Height 3 in Width 4 in