Usage Tips:bike odometer and speedometer and high qualityMade of high-quality materials, and practical and high qualityMade of high-quality materials, and practicalFunction:Scan: Automatically scan all function valuesTimes: Measures elapsed from the start of exercise to it stopsSpeed: Measures instantaneous speedCalories: Measures calories burned from start to of exerciseMileage: Measures the distance traveled from the start of exercise to of exerciseTotal Mileage: Measures the total distance traveled from the start of exercise to of exerciseMaterial: ABSSize: .164x108x28mm/6.5x4.3x1.1inchColor: blackPackage Contents:1 x Exercise Bike Speedometer MonitorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.