The Pyle PMA85 is a digital anemometer. It is perfect for sailors, surfers, hang-gliders, kite-fliers - any activity where keeping track of the wind speed and direction is important. The PMA85 can display the maximum, average and current air velocity. This meter is small, portable and measures wind speed in ft/min, m/sec, MPH, km/hr, knots and using the Beaufort wind scale. It also has a built-in thermometer, which can measure the temperature in both Fahrenheit and Celsius units. Neckband accessory is included. LCD backlight means you can use this meter in the dark without issues.