Kestrel 3500NV Pocket Weather Meter with Night Vision

Measures: Wind chill. Air, water, and snow temperature. Displayed in Fahrenheit or Celsius with accuracy of +/-1°. Current, average, and maximum wind speed. Wind speeds displayed in: Beaufort Wind Scale, Knots, MPH, KPH, or Feet Per Minute. Barometric pressure. Pressure trend. Altitude. Relative humidity. Dewpoint temperature. Wet bulb temperature. Heat stress index.