The shell is made of high-quality material with high hardness and external electroplating and spray plastic treatment, offering good anti-corrosion and anti-erosion performance. Bottom cable design effectively eliminates the aging issue of the aviation plug rubber pad, maintaining waterproof performance over long-term use. Equipped with high-performance bearings for low rotational resistance, accurate measurement, compact size, and lightweight design, making it easy to carry. Widely used for wind direction measurement in greenhouses, environmental monitoring, weather stations, ships, docks, and breeding environments. Model Number: Wind Speed Sensor Type: Anemometer DC Power Supply (Default): 5-30V DC Accuracy: 0. m/s Measuring Range: 0-70m/s Size: 160mm Material: Plastic Color: Black Package Contents: 1 x Wind Speed Sensor 1 x Cable 1 x Mounting Screw Kit Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3cm.