This product is a home bird repeller, made of high quality materials, very strong and durableSuitable for power transmission towers, iron towers, substations, farms, orchards, fish ponds, warehouses and other placesColor: silverMaterial: Stainless steelSize: about 18x40cmHigh-quality material, rust-proof and durableSuitable for power transmission towers, iron towers, substations, farms, orchards, fish ponds, warehouses and other placesEasy to install and useWith wind as power, strong bird repelling effectPortable and compact, very professional and practicalOnly need 2-3 wind to start, 30-50 revolutions per minute360 degree reflection angle, no driving blind spotsHigh-wind products are designed with a damping coefficient, which has a wind-resistant effect and is safe and reliable.Maintenance-free, lifespan up to 5 years, passive wind energy, clean and environmentally friendlyThe coverage area of a bird repeller is about 20-30 meters, and the effect is better in an open and ventilated place.