The shell is made of high-quality material with high hardness and external electroplating and spray plastic treatment, which has good anti-corrosion and anti-erosion performance.The bottom cable is adopted to completely eliminate the aging problem of the aviation plug rubber pad, and it is waterproof after being used for a long time.High-performance imported bearings, low rotational , accurate measurement, small size and light weight, easy to carry and assemble.Widely used in the measurement of wind direction in greenhouses, environmental protection, weather stations, ships, wharf, breeding and other environments.Model Number: Wind Speed SensorType: AnemometerDC Supply (Default): 5-30V DCAccuracy: 03m/sMeasuring Range: 0-70m/ssize:160mmMaterial:plasticcolour:blackPackage Contents:1 x Wind speed sensor1 x cable1 x Mounting screw kitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.