An altimeter tracks your vertical movement, a barometer tells the Trend in air pressure, and a compass points the way.
Barometer helps you predict changing conditions; Built in weather trend indicator.
Functions: Altimeter, Barometer, Compass, Temperature, Steps track, Count down, 2 time, 2 Alarm, stopwatch, countdown, week, date, 12/24hours, EL Back light
Light weight for wearing, crystal made of glass, scratch resistant. Soft PU band, it's comfortable for long time wearing.
Water resistant to 30 meters (100 feet): In general, withstands splashes, but not suitable for swimming or bathing.