Measures temperature and humidity, and calculates heat index as well as dew point
Combines air temperature and relative humidity measurements in an attempt to determine the human-perceived equivalent temperature or "how hot it feels"
Calendar mode displays day, date and time
Stopwatch/chronograph mode with 1/100 second resolution
Fastest/Slowest/Average Lap recall
99 lap counter with 30 lap/split memory
10 hour countdown timer with audible beeper warning for the last 5 seconds
