Ultrak 830 Heat Index Watch
Features:
- Accurately calculates temperature, humidity, heat index and dew point
- 30 dual split recallable memory
- Measures to 10 hours with 1/100 second resolution
- Presettable countdown timer with auto repeat function
- Time, calendar and alarm
- LED backlight
- Solar powered with back-up lithium battery
- Water resistant • Five-year warranty