The unique combination of the relative humidity and temperature capabilities with a calculated heat stress index feature, in addition to the timer functions, makes this the perfect product for outdoor activities during hot weather. The heat stress index measures how hot it feels when humidity is combined with the actual temperature. It has a user settable heat index alarm. Ideal for the outdoor recreational sports person, competitive athlete, casual runners, hikers/mountain climbers, and water sports enthusiasts. Others include outdoor workers, and health science and physical education teachers. The heat index stopwatch provides stopwatch timing to 1/100th of a second. It features: fastest/slowest/average lap recall, 99 lap counter with 30 lap/split memory, 10 hour countdown timer, and programmable alarm. The clock displays in a 12 or 24 hour format and the calendar mode displays day/month/date. It comes complete with 39 In. (1 m) lanyard and a CR2032 battery.
User adjustable heat index alarm
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
Programmable alarm
Calendar mode displays day, month, and date
