Records employee hours and calculates payroll Automatically calculates time between punches and totals the time in hours and minutes. Prints in standard AM/PM hours or 24-hour format with minute or 1/100 increments. Atomic feature synchronizes the clock to the U.S. atomic clock for accurate timekeeping. Auto adjustment for month, year and daylight saving time eliminates the need for manual adjustment. Choose among English, Spanish and French. Flexible enough to accommodate up to 100 employees in weekly, bi-weekly, semimonthly or monthly pay periods. Battery back up maintains setup during power failures. Includes 120/240 volt power supply. Acroprint ES1000 Totalizing Payroll Recorder, 100 Employees is one of many Time Clock Systems available through Office Depot. Made by Acroprint.