about this project Environmental Protection: The windmill dazzles the birds by reflecting strong light, while the windmill rotates in the breeze, making a metallic sound, scaring away the birds not adapting to the environment and flying away. Harmless to birds and the environment. Size: The size of the reflective windmill is 53 x 20 cm, convenient to place in various places, such as garden, orchard, vegetable garden, farm. Product assembly instructions are located on the last page of product images. High-quality material: The bird repellent windmill is made of silver glitter polyester material, which is non-toxic, durable, UV-resistant and weather-resistant, and can be used for a long time. EASY INSTALLATION: Easily install this bird deterrent pin wheel in direct sunlight and breezy areas for effective use. Application: Suitable for all kinds of birds. The bird repellent windmill is printed with tens of thousands of tiny twinkling tiny lights, which scare the birds away with bright flashes. At the same time, these garden windmills rotate with the wind and refract sunlight at the same time, which is very beautiful. This is a great decoration for your yard.