Combines an altimeter, barometer, watch and stopwatch. It provides you with information on the real time altitude, the number of runs skied, the current barometric pressure and temperature. Automatically stores data for the past four days. Altimeter: Altitude, vertical speed, altitude alarm, logbook, vertical difference measurement, automatic 24h altitude memory, temperature compensation Barometer: Sea level pressure, absolute pressure, pressure difference, pressure trend indicator, 4-day barometric memory, temperature Watch: Calendar, 3 alarms, dual time, chrono with unlimited split/lap times