【Installation Method】The installation method is very simple. Please refer to the installation video on the product page! 【Size】Diameter of windmill:24cm/9.4inch,high 54cm/21inch. 【High-Quality】High-hardness high-quality plastic with reflective effect in the sun can effectively protect your garden without hurting small animals. 【Widely used】Bird Repellent Windmills are used in outdoor areas, such as gardens, orchards, and areas around pools where birds like to stay. 【After sales】Our products are provided with 12-month after-sales packaging. If you encounter product quality problems, you can contact us at any time.