RadiantOrchid Pedometer Personal Activity Activity & Fitness Tracker Handheld Lcd Run Step Pedometer Walking Distance Calorie Counter Powered: 1 x LR44 button cell battery 3 counting modes ( Calorie, Kilometer, Miles ) Steps count from 0 to 99999 Converts measurement by a single button Size: 4.5 x 3.5 x 1.2cm