1.Multi-function digital altimeter 2. Height, pressure, temperature, weather forecasting capabilities, and air pressure 1. Hours, minutes, seconds, year, month, day and week of shows, the annual range of 2000 ~ 2099 2.5 Group alarm function: a group with Snooze function, four groups of the specified date buzzers 3. The whole point timekeeping function of 4. Stopwatch function, 99 groups stopwatch ...