• Programmable heat index alarm
• Displays temperature, humidity, and heat index
• Calendar mode displays day, date and time
• Stopwatch/chronograph mode with1/100 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
• 12 or 24 hour clock operation