Measure wind speed and temperature.Wind speed range: 0-30m/s.Temperature range: -10-45C / 14-113F.Current/maximum/average wind speed reading to choose from.Large easy-to-read LCD display with backlight.Number of pieces delivered: 1Color: BlackMeasure wind speed and temperature.Wind speed range: 0-30m/s.Temperature range: -10-45C / 14-113F.Current/maximum/average wind speed reading to choose from.Large easy-to-read LCD display with backlight.5 wind speed units for selection: M/s, Km/h, Ft/min, Knots, Mph.Beaufort scale display; wind chill indication.Auto/manual shut-off.Real-time measurementGreat tool for windsurfing, sailing, fishing, boating. kite flying and mountaineering.Temperature display in Celsius FahrenheitPowered by one 3V CR2032 battery. (Not included in the package)Wind speed range: 0.330m/sTemperature range: -1045Wind Speed Accuracy: 0.1 dgtsTemperature Accuracy: 2Resolution: 0.1m/s 0.2Keel speed unit selection: m/sFt/minKnotsKm/hMphMax / Average / Current: YesWind Chill Indication: YesReal-time measurement: YesBacklight: YesManual / Auto Power Off: Yes/: YesPlease allow 1-2cm measurement deviation due to manual measurement.