A large number of five-star praise, trustworthy products Function 1. Dive Mode (Dive depth, Dive time, Max dive depth 50m, water temperature) 2. Waterproof 200m 3. Altimeter 4. Barometer (48 hours air pressure trend chart) 5.Compass 6. Thermometer (Temperature) 7. Pedometer, step counter, calorie, distance record 8.Time functions: hour, minute, second, year(2000-2099), month, date, weekday, 12H/24H format 9. Countdown timer (99:59:59~0) 10.Stopwatch (0~99:59:59), 50 sets of data 11. Worldtime functions (daylight saving time switch automatically) 12. Digital compass 13. Battery life remind 14. EL Backlight Altimeter 1500M Altitude 26ºC Temperature 207M/Min Rate of climb Barometer --48 hours air pressure chart --1016.7 Sea level air pressure --1018 Current air pressure --10:38 Time Compass SW 220 compass mode --- Start calibration compass--- Set magnetic declination--- Dive Waterproof 20M Max diving depth 50M ---Dive depth: 18M ---Current Temperature： ºC Back light Clear at night Mode Menu. Pedometer. Stopwatch. Countdown. CHART -- 48 Hours chart --Sea Level pressure Barometer --Time --Air pressure --Temperature Dive Start diving Dive mode ---Diving time ---Depth ---Temperature ALTIMETER/COMPASS 1. Altimeter ---Relative Height ---Temperature ---Rate of climb COMPASS ---Watch hand direct the north ---Compass calibration ---Magnetic declindtion