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 bearings, low rotational resistance, accurate measurement, small size and light weight, easy to carry and . Widely used in the measurement of wind direction in greenhouses, environmental protection, weather stations, ships, wharf, breeding and other environments. Model Number: Wind Speed Sensor Type: Anemometer DC Power Supply (Default): 5-30V DC Accuracy: 0./s Measuring Range: 0-70m/s size:160mm Material:plastic colour:black Package Contents: 1 x Wind speed sensor 1 x cable 1 x Mounting screw kit Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.