3 Cup Wind Sensing: This wind speed detector uses 3 fan blades for wind speed measurement, enabling 360 degree wind speed measurement with high accuracy. Due to the light weight and reduced friction, it can improve the sensitivity and ensure the accuracy Product Quality: High-Performance Imported Bearings, Small Rotational Resistance, Accurate Measurement, Small Size, Light Weight, Easy to Carry and Assemble Premiumj Material: The Shell Is Made of High-Hardness and High-Quality Materials, and The Outer Coating Is Sprayed to Avoid Scouring Easy Installation: The three cup wind speed detector is easy to install with a 4cm mounting hole. This makes it easy for users to install it in the desired location, and it is simple to operate and easy to use Versatile Applications：Designed as a specialized meteorological tool, this three-cup wind speed detector finds wide-ranging applications in power plant wind speed measurement, meteorological monitoring, and weather station installations. Its versatility makes it indispensable for accurate wind measurement across diverse settings