FUNCTION

1, Altimeter (altitude trend chart and climb rate)
2, Barometer ( air pressure trend chart)
3, Compass
4, Thermometer
5, Weather Forecast, World Time
6, Pedometer, step counter, calorie, distance record
7, Time functions: hour, minute, second, year(2000-2099), month, date, weekday,
8, Alarm clock (2 sets alarm clock, )
9, Countdown timer (99:59:59~0)
10, Stopwatch (0~:59:59),
12, Worldtime functions
13, Corporates digital compass, altimeter, barometer, Thermometer, air pressure trend and altitude trend and altitude trend
14, Button tone on or off
15, Battery life remind
16, EL Backlight

A7: 38mm