Stages Cycling Dash HR StrapYour heart rate is one of the most important measures of your physical and emotional fitness. The Dash HR Strap is a heart rate monitoring device that is paired via Bluetooth and ANT+ to ensure accurate tracking of your heart rate to the Stages Dash. The sensor has a large range of 30 bpm to 230bpm and runs for up to 900 hours on a single CR2032 coin battery. The device is housed in a waterproof body that is fully waterproof up to 30m.FeaturesWeighs 42gRange: 30-230 bpmWater resistant to IPX7 levelIncludes comfortable fitting strapBluetooth and ANT+ enabledWorks with Stages DashRun time of 900hrsUses single CR2032 batteryBuy Stages Cycling GPS from Chain Reaction Cycles, the World's Largest Online Bike Store.