Size: 5cm*4cm Power Supply: 1pc x AG-10 Button BatteryFeatures: 1. 100% brand new and in box2. Step Counter up to 999999 stepsDistance Traveled indication up to 999.99 KM/MilesCalories burnt indication up to 999.99 KcalMetric and Imperial system selection availableAuto battery saving shut off featureFeaturesCounts steps， distance walked and calories burned. Large LCD displayNote: we send the color randomly.Package: 1 * LCD Pedometer