The attractively priced ATR480 time clock supports up to 50 employees on a weekly, biweekly, semimonthly, or monthly payroll period, or it can be used for job costing. Set to print in standard a. m. /p. m. hours or military time, and choose between minutes or hundredths. Best of all, the ATR480 automatically calculates and totals employee work time. You can set overtime thresholds, choose to implement rounding rules, and automatically deduct break times to accommodate your organization's payroll rules. Punch card time clock system supports up to 50 employees on a weekly, biweekly, semimonthly, or monthly payroll period, or it can be used for job costing. LCD display helps you keep track of time by showing the time and date. Clock case secured with lock and key to prevent tampering, and, for added security, clock programming can be optionally password-protected. Requires the use of ATR481 time cards. Dimensions: 9. 8"H x 7. 7"W x 4. 7"D. Automatic card positioning for easy printing, automatically calculates and totals employee work time. Internal battery to maintain accurate time and allow employees to clock in and out even during a power outage. Build-in programmable buzzer to notify employees of shift/break start and stop times, also supports external signal devices (with relay box, available separately). Set to print in standard a. m. /p. m. hours or military time, and choose between minutes or hundredths. You can set overtime thresholds, choose to implement rounding rules, and automatically deduct break times to accommodate your organization's payroll rules. Optional two-color printing helps you quickly identify early and late punches. 2-year manufacturer limited warranty.