Pulse Output Wind Speed Sensor 0 70M/S Three Cups Anemometer for Environmental Monitoring DC 5V to 30V Power Supply The shell is made of high-quality material with high hardness and external electroplating and plastic treatment, which has good anti-corrosion and anti-erosion performance.<br> 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.<br> High-performance bearings, low rotational resistance, accurate measurement, small size and light weight, easy to carry and assemble.<br> Widely used in the measurement of wind direction in greenhouses, environmental protection, weather stations, ships, wharf, breeding and other environments.<br> Model Number: Wind Speed Sensor<br> Type: Anemometer<br> DC Power Supply (Default): 5-30V DC<br> Accuracy: 0./s<br> Measuring Range: 0-70m/s<br> size:160mm<br> Material:plastic<br> colour:black<br> Package Contents:<br> 1 x Wind speed sensor<br> 1 x cable<br> 1 x Mounting screw kit<br> Only the above package content, other products are not included.<br> 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.