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 rubber pad, and it is waterproof after being used for a long time.High-performance imported bearings, low rotational resistance, 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 Power Supply (Default): 5-30V DCAccuracy: ±0./sMeasuring Range: 0-70m/ssize:160mmMaterial:plasticcolour:blackPackage Contents:1 x Wind speed sensor1 x cable1 x Mounting screw kitPacking: 1*AnemometerPlease understand that due to differences in lighting or computer monitors, I cannot guarantee that the photos and actual colors are 100% the same.Due to different measurement methods, there may be a deviation of 1-2cm.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!