The Extech 45168CP is a mini thermal anemometer that measures wind speed in ft/min, MPH, m/s, km/h, knots and in Beaufort force with 10-second averaging. Other measurements include temperature, relative humidity, dew point, wet bulb and wind chill. The built-in compass displays wind direction and 360° and has an easy-to-use calibration procedure for improved accuracy. The waterproof case is buoyant and drop tested to 1.8 m (6 ft). Equipped with a replaceable, corrosion-resistant plastic wind vane (paddle wheel) and a tripod mount for hands-free use. The scope of delivery includes a CR2032 battery and a carrying strap.