Outdoor military watch with altimeter, barometer & compass in stainless steel case.FUNCTION-Altimeter (altitude trend chart and climb rate)-Barometer ( air pressure trend chart)-Compass-Thermometer-We more→ather Forecast-Pedometer, step counter, calorie, distance record-Time functions: hour, minute, second, year(2000-2099), month, date, weekday,-Alarm clock (2 sets alarm clock, )-Countdown timer (99:59:59~0)-Stopwatch (0~:59:59),-Worldtime functions (daylight saving time switch automatically)-Corporates digital compass, altimeter, barometer, Thermometer, air pressure trend and altitude trend and altitude trend-Button tone on or off-Battery life remind (CR2032)-EL Backlight