The Royal TC100 Plus is perfect in any small business. Easy to read backlit digital display. Displays day of the week, date and time in 12 hour or 24 hour format. Automatic Shift Change will change between regular time (morning/afternoon) and overtime or by pressing just one button. Black and Red Printing Color: Automatically changes printing color depending on the daytime and weekday. Detailed Printing: Prints day, hour minute, choose 12 or 24 hour format. Increased Print Accuracy: manual adjust the height and horizontal position. Internal Calendar: Automatically adjusts for number of days in the month, leap year and daylight savings time. Internal Battery Backup Protection: protects time and date settings during power outage. Wall Mount or Table Top Installations. Uses Standard Time Cards.