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 parts delivered: 1 Color: Black 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. 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 measurement Great tool for windsurfing, sailing, fishing, boating. kite flying and mountaineering. Temperature display in Celsius Fahrenheit Powered by one 3V CR2032 battery. (Not included in the package) Wind speed range: 0.330m/s Temperature range: -1045 Wind Speed Accuracy: 0.1 dgts Temperature accuracy: 2 Resolution: 0.1m/s 0.2 Keel speed unit selection: m/sFt/minKnotsKm/hMph Max / Average / Current: Yes Wind chill indication: Yes Real-time measurement: Yes Backlight: Yes Manual / Auto Power Off: Yes / : Yes Please allow 1-2cm measurement deviation due to manual measurement. lucky meet