1. 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 the accuracy of the measurement. 2. Material: The wind speed detector is made of ABS material, which is to acid and and other characteristics, greatly extending its service life. This design ensures the stability and durability of the wind speed detector in harsh environments. 3. Waterproof Cable And Anti Interference Ability: The wind speed detector is equipped with 8M waterproof cable, which is oil proof and has strong anti interference ability to the stability of signal transmission. This makes the wind speed detector work normally in various environments. 4. 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., Weight: 0.84988202001 pounds, Manufacturer: Kueohse