This product is a home bird repeller, made of high quality materials, very strong and durable Suitable for power transmission towers, iron towers, substations, farms, orchards, fish ponds, warehouses and other places Color: silver Material: Stainless steel Size: about 18x15cm High-quality material, rust-proof and durable Suitable for power transmission towers, iron towers, substations, farms, orchards, fish ponds, warehouses and other places Easy to install and use With wind as power, strong bird repelling effect Portable and compact, very professional and practical Only need 2-3 wind to start, 30-50 revolutions per minute 360 degree reflection angle, no driving blind spots High-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 friendly The coverage area of a bird repeller is about 20-30 meters, and the effect is better in an open and ventilated place.