Features: Time functions: hour, minute, second, year (2010-2099), month, date, weekday, 12H/24H. Alarm clock. Countdown timer (99:59:59~0). Stopwatch (0~99:59:59), (Max record 10 group). Pedometer, step counter, movement time record, calorie, distance record. Sunrise and sunset times (Default 28 cities or set the latitude and longitude). Compass, altimeter, barometer, thermometer, air pressure trend. The total increase/decrease height, highest point/lowest point. Air pressure trend chart (latest 48 hours). 7 days altitude, barometric record and check. Movement relative height view. Digit compass, 16 direction display. Low battery remind. EL backlight. 5ATM waterproof.