Altitude
In Altitude functional interface, the watch will shows
-Temperature
-Sea level altitude
-Altitude trend chart
-Weather forecast
Barometer Function
In Barometer functional interface, the watch will shows
-Preasure trend chart
-Temperature
-Weather forecast
-Current air pressure
Compass
In Compass functional interface, the watch will shows
-Compass
-Compass Calibration
-Magnetic declination
Waterproof 50M
Waterproof 50M, can swim, but can't take a bath, can't touch hot water
Backlight
Clear at night
