Bryton Smart Speed SensorAccurately and convenient track your cycling speed with the Bryton Smart Speed Sensor which can easily be connected to your Bryton computer, or similar devices, via Bluetooth 4.0 and ANT+. The sensor comes with 9 months of battery life with an easily replaceable battery and is easily mounted to any bike frame with an adjustable universal fit.FeaturesDesigned to help monitor your indoor and outdoor trainingCompatible with most devices in the marketEasy to install, maintain and move between bikes9-month battery life based on one hour per day of useReplaceable batteryIPX7 waterproof certificationMagnet-free designAdjustable universal fitBluetooth 4.0 and ANT+ wireless technologyBuy Bryton Computer Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.