The Hiprema 4 from Prisma Electronics is a professional tyre pressure gauge, with a built in stopwatch, designed for Motorsports use in both 2 and 4 wheels. Automatic calibration provides accurate pressure measurements, every time, which can be stored in the units built in memory.Developed for Motorsport use0-5 Bar / 72 psi pressure range (Switchable between Bar and Psi)4 driver / rider stopwatch with 9 split times for eachCar or bike modesReliable and accurate readings time after time (accurate to less than 0.1%)Display shows hot and cold pressures and the pressure differenceSave pressures, time, date and ambient temperature to the internal memoryThe Hiprema 4 digital tyre pressure gauge has 2 function modes:Normal mode - Allows pressures to be measured and adjusted without saving them.Memory mode - Saves both hot and cold pressures in sequence including the pressure differences. This information can also be displayed at the same time along with time, date and ambient temperature. the