Feature:1. The anemometer has good performance, high accuracy and accurate measurement.2. Large range measurement, suitable for measurement in a variety of environments.3. Adopting portable design, it is small in size, compact in structure and easy to carry.4. With LCD backlight display, you can easily read data in the dark environment.5. It is made of highquality ABS material, sturdy and durable, and has a long use time.Specification:Item Type: AnemometerModel: MS6252AMaterial: ABSColor: OrangeBattery: 1 x 6F22 9V (battery not included)Purpose: wind speed, gas flow rate measurementWind Speed MeasurementUnitMeasuring Range ResolutionMarginal Value Accuracym/s0~300.010.35%0.1ft/min0~58601.968605%20knot0~550.0190.65%0.2km/h0~900.03615%0.4mph0~650.0220.75%0.2Wind Temperature MeasurementUnitMeasuring RangeResolutionAccuracyC -10~+450.1214~1130.23.6Temperature SensorNegative Temperature CoefficientOperating Temperature -10~+45(14~113)Operating HumidityNo more than 90%RHStorage Temperature -10~+50(14~122)Power ConsumptionAbout 6mAWind Flow RangeCMM: 0-999900m/min CFM: 0-999900ft /minUnitRangeResolutionIntervalCFM(FT/MIN)0-9999000.001-1000.001-9999CMM(M/MIN)0-9999000.001-1000.001-9999.Package List:1 x Anemometer (Battery Not Included)1 x Screwdriver1 x Manual1 x Carrying Case