Pocket Digital Anemometer 0-30M/s Wind Speed Meter -10 ~ 45C Temperature Tester with Lcd Backlight Display Accurately Measure Pocket Digital Anemometer 0-30m/s Wind Speed Meter -10 ~ 45C Temperature Tester With LCD Backlight Display Accurately Measure Specifications: Air Velocity: Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots. Resolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2Knots. Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots. Accuracy: +/- 5%. Air Temperature: Range: -10C ~ +45C, 14F~ 113F. Resolution: 0.2F, 0.36F. Accuracy: 2C, 3.6F. Thermometer: NTC Thermometer. Operating Temperature: -10C ~ +45C (14F~ 113F ). Operating Humidity: Less than or equal to 90% RH Storage Temperature: -40C ~ +60C, -40F ~140F. Current Consumption: About 3mA. Powered by a 3V CR2032 battery.(not included Dimensions: 10.7cm x 4.5cm x 2.1cm - 4.21inch x 1.77inch x 0.83inch. Features: 1.Measure wind speed and temperature. Large easy-to-read LCD display with backlight. Wind speed in wind scale bar graph. 2.Wind chill indication. 3.Data hold function. 4.High precision pressure sensor 5.Quick response, external thermistor. 6.Auto/manual power off. 7.Temperature display in Celsius Fahrenheit. 8.Wind speed range: 0-30m/s. 9.Wind temperature range: -10 - 45C (14-113F). 10.Current/max/average wind speed reading. 11.Wind speed unit: m/s, Km/h, ft/min, Knots, mph. Package Included: 1* Piece Digital Anemometer (battery not included _x000D_