This multi-functional timing device features a user selectable heat index alarm and measures temperature and humidity.

• 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

Stopwatch with 6 modes: Time/Date, Heat Index, Chrono Lap, Alarm, Timer, and Chrono Split Mode.

Timing capacity: 9hrs, 59mins, and 59secs
Accuracy: ±5 seconds/day
Lap Memory: 30 laps

Heat Index: 70 to 122°F (22 to 50°C)
Temperature: 14 to 122°F (-10 to 50°C)
Humidity: 1 to 99%