● Time functions: hour, minute, second, year(2000-2099), month, date,   weekday, 12H/24H
● Alarm clock (2 sets alarm clock, hourly alarm) 
● Countdown timer( 99:59:59～0)  
● Stopwatch(0～99:59:59), 11sets of data
● 10 level contrast adjustment of LCD 
● Corporates digital compass, altimeter, barometer, thermometer, air pressure trend and altitude trend
● 24hours air pressure trend chart
● 12hours altitude trend chart & Climb rate
● Weather forecast 
● Worldtime funtions (daylight saving time switch automatically) 
● Button tone on or off 
● Battery life remind 
● EL backlight