MECO(TM) LCD Pedometer Walking Step Counter Calorie Calculation Step counter up to 99999 steps Distance traveled indication up to 99.999 KM Calories burnt indication; up to 9999.9 Kcal Low battery consumption; operated by 1.5V battery Auto shut off when idle for 4 minute Auto detect waist movement while jogging This pedometer is easy to use Large digit display, easy to read Power supply: 1 x 1.5V "AG-13/LR44" button cell LCD Screen Dimension: 1.02 x 0.87 inch / 2.6 x 2.2 cm (L x W) Pedometer Dimension: 1.93 x 1.77 x 0.98 inch /4.9 x 4.5 x 2.5 cm (L x W x H)