The Aluminum Alloy Wind Speed Calculator with Three-Cup Type Anemometer is a high-quality instrument designed to accurately measure wind speed. It features a aluminum alloy construction, ensuring long-term reliability. The three-cup design enhances accuracy and stability in wind conditions. This anemometer is suitable for a wide range of applications, including installation engineering, wind cup experiments, and more. This anemometer is very suitable for measuring local wind speeds Type: Anemometer Usage: Wind Speed Measurement Colour: Red Material: Aluminum Alloy Package Contents: 2x Wind speedometer Only the above package content, other products are not included. Note: Light reflection 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.