Designed for karting the Alfano Tyrecontrol Air allows you to accurately monitor your tyre pressures as well as giving the function of increasing or decreasing the pressure thanks to its innovative valve and provision for a compressed air cartridge (not included). All tyre pressure data can be transferred to an Alfano 6 via a download cable to store along with other race / session data.Allows the user to quicky and easily adjust tyre pressures up or down without the need for compressors or bulky air bottles.Accurately view all 4 tyre pressures as hot or cold and transfer the data to an Alfano 6Selectable between Bar and PsiEasy to read backlit displayAccurate to 0.01 Bar / 0.15 PsiThe innovative valve system utilised on the Alfano Tyrecontrol Air allows the user to inflate or deflate tyre pressures. To enable inflating a 60 bar 16g C02 screw in canister must be used. These are not included but are available to purchase from most bicycle shops. The unit is powered by 2 x AA batteries.