Specifications: It is used for meteorological wind observation. Easy to install, high visual rate, long service life. With a reflective band, make it easy to see. Widely used in the meteorological, chemical industry, environmental protection, agriculture, oil exploration, oil drilling and other industries. Type: Windsock Quantity: 1 Pc Material: Polyester Measuring Range: 422 Measurement Accuracy: 554 Resolution Ratio: 55 Features: Multiuse, Wind Indicator, Durable, Easy to Install Length: 0.8m/31.50", 1m/39.37", 1.5m/59.06" (Approx.)(Optional) Notes: 0.8m windsock has 3 reflective bands, 1m windsock has 3 reflective bands, 1.5m windsock has 4 reflective bands. Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Windsock(Stainless Steel Rod Not Included)