Polar CS500 Cycling Computer

The Polar CS500 Cycling Computer is for cyclists who want to know concretedata such as heart range targets for opitmal riding. LCD Display is clear and easy to read display Dual Line Display allowsyou to view two different readings at the same time Automatic Age Based Target Zone BPM HR Based target zones with visual and audible alarm manual target zone Target Zone Indicator indicates when you are above, below, or within your heart rate target range Heart Rates records average andor maximum heart rate for workout Dimensions: 3.1 x 5.1 x 6.9 Weight: .85 lbs.