Time recorder automatically calculates worked time between punches and accumulates totals on the card for up to 100 active employees or jobs. The 7500E also synchronizes time to the U.S. atomic clock and automatically adjusts for Daylight Saving Time for accurate results. Use automatic time recorder for all pay periods or set to job mode for accurate costing information. Time recorder calculates actual or rounded time and supports an automatic break deduction from daily totals. Automatic print alignment and auto-sensing of card front and back eliminates operator mistakes and reduces time required to punch in and out. The internal lithium battery maintains the time, card totals and program settings for up to three years without power. Time recorder features a plastic case. Optional rechargeable battery keeps unit fully operational for up to 24 hours in case of a power failure.Time recorder automatically calculates worked time between punches and accumulates totals on the card for up to 100 active employees or jobs. The 7500E also synchronizes time to the U.S. atomic clock and automatically adjusts for Daylight Saving Time for accurate results. Use automatic time recorder for all pay periods or set to job mode for accurate costing information. Time recorder calculates actual or rounded time and supports an automatic break deduction from daily totals. Automatic print alignment and auto-sensing of card front and back eliminates operator mistakes and reduces time required to punch in and out. The internal lithium battery maintains the time, card totals and program settings for up to three years without power. Time recorder features a plastic case. Optional rechargeable battery keeps unit fully operational for up to 24 hours in case of a power failure.