Kestrel 5500 Weather Meter 0855YELMeasures 14 total meteorological parameters: wind direction, wind speed, crosswind, headwind tailwind, temperature, wind chill, relative humidity, heat stress index, dew point temperature, wet bulb temperature, station pressure, barometric pressure, altitude, and density altitude. Displays real time data and includes stored memory function. Large, high resolution, hi contrast, graphic display is readable in sunlight and backlit for night use. Digital