Anemometer, Handheld Wind Meter Sensitive Multipurpose for Windsurfing for Industry Specification: Item Type: Anemometer Material: ABS Product Size: Approx. 115 x 42 x 19 mm / 4.5 x 1.7 x 0.7 in Battery: 3V CR2032 button battery (Battery Not Included) Wind Speed Unit Selection: m/s, ft/min, knots, km/h, mph. Wind Speed Measurement Range: 0.3 to 30 m/s Accuracy: ?5% Temperature Measurement Range: -10 to 50 degrees Celsius Accuracy: ?1 degrees Celsius Humidity Measurement Range: 0%-99% Accuracy: ?5% Resolution: 0.1m/s, 1%, 0.1 degrees Celsius Application: Suitable for electric power, steel, petrochemical, energy saving, fishery, various fan manufacturing industries Weight: Approx. 95g / 3.4ozColor: Blue Package List: 1 x Anemometer (Battery Not Included) 1 x Portable Bag 1 x Rope 1 x Manual