Automatically calculates time for up to 100 employees with atomic clock accuracy. The large electronic display shows the current time to let staff members know when they should clock in. Works for pay periods or in job mode. A simple design makes this device easy for all your employees to use. Calculates actual or rounded time and supports automatic break deduction. Features automatic print alignment and sensing of front and back of cards. This Lathem atomic time clock is ideal for use in small-scale manufacturing facilities, satellite warehouses, and other similar business settings. Internal lithium battery maintains time, card totals and program settings for up to 3 years without power; optional rechargeable battery keeps unit fully usable up to 24 hours in event of power failure. Easy printing: insert the card in the top slot, and the time clock will automatically position it. LCD display helps you to keep track of time by showing the time and date in 24-hour format. Employees use printable time cards. Dimensions: 8"H x 6.3"W x 5"D. Automatic card feed and alignment: the time clock shifts columns according to user settings. Desk- or wall-mount for flexible and convenient placement. Battery backup protects data and settings during power outages. Selectable language format: English, French, Spanish. Time clock features automatic print alignment to eliminate print errors. In addition, the clock automatically detects the front and back of the card, enabling quicker punch-ins and punch-outs. This clock automatically adjusts to daylight saving time to spare you extra maintenance. Suitable for keeping time in small to large workplaces. Mount the clock on a wall or table to make efficient use of your office or workshop. For precise record-keeping according to your payroll needs, format the clock according to a date or day of the week, am/pm or 24-hour setting, and regular-minute or 1/100-of-the-hour setting.