Fast and easy to use with automatic day/date positioning, the Acroprint Model ATR120 can be used for weekly or bi-weekly pay periods. The clock maintains accurate time during power outages with its backup battery, and its two-color printing shows early and late punches at a glance. The Acroprint Model ATR120 offers flexibility, allowing you to choose from several print formats. Additional features include an analog/LCD display and automatic daylight saving time adjustment. Analog clock requires AA battery (incl.). Each unit requires Acroprint time cards (sold separately).