UNIQUE DESIGN: The bird's vision is disturbed by light reflection and will be scared away. This Anti-Bird Windmill With this simple and animal-safe combination, You can effectively drive away birds,Even in strong sunlight or rain, the reflection effect can last for many years. EASY TO INSTALL: Easy to install on the ground, these Reflective Bird Repellents can decorate any garden while repelling pests. Easily remove unwanted birds from homes, yards, balconies, fruit trees, cars and appliances. NON-TOXIC AND SAFE: This Reflective Windmill It does not contain any chemical and technical elements when in use and can be inserted directly into the soft ground or attached to branches or railings. THE EFFECT IS OBVIOUS: Birds hate shiny reflective objects and avoid them,Reflective Bird Repellent can be effective Repelling and deterring birds,Protect your plants from bird damage,protect your garden,trees,vegetables and fish ponds.