Altimeter – range -500 to 9000m, Difference measurement, Logbook function, Temperature compensation, Total Ascent/Descent and Automatic Altimeter/Barometer switching.
Barometer – Storm alarm, difference measurement, sea level pressure, temperature and trend indicator.
Compass – Heading in degrees, cardinal directions, declination setting and guided calibration
Time – Sunset/sunrise times, alarm snooze, stopwatch, day counter and dual time.
Other – backlight, mineral glass screen, water resistance 30m, low battery warning, user replaceable battery and 4 language menu.
The Lumi is the sister watch to the Suunto Core