Pleasant female voice announcement of number of step, distance, calories burned and time you've walked, jogged. Four modes to display the data - steps, distance, calories and total time. Measures up to 99,999 steps, 99,999 Cal or Kcal, 99 hours, 199.99 miles or 199.99 kilometers. Automatic announcement of the displayed number according to a preset interval. Clip attaches to belt or waistband. Operates on 4 AG13 cells (included).