This GM8908 Digital Anemometer is an ideal tool for windsurfing, sailing, fishing, kite flying and mountaineering. You can also Features:Measure wind speed and temperature Wind speed range: 0~30m/s Wind temperature range: -10 ~ 45 degree Centigrade Current/ Max/ average wind speed reading Wind speed unit: m/s, Km/h, ft/min, Knots, mph Temperature display in Centigrade/ Fahrenheit LCD backlight ...