Docooler 3ATM Waterproof Altimeter Compass Stopwatch Fishing Barometer Pedometer Outdoor Sports Watch Multifunction (White) Incorporate altimeter, barometer, compass, temperature and weather forecast, etc. Pedometer, calorie, distance record.24 hours air pressure trend chart.12 hours altitude trend chart. Climbing rate measurement.Incorporate time, date, alarm clock, countdown timer & stop watch, etc. Worldtime functions. (daylight saving time switch automatically)10 level contrast adjustment of LCD.EL backlight.3ATM waterproof.