【Installation Method】The installation method is very simple. Please refer to the installation video on the product page! The product provides a 12-month after-sales guarantee, and you can contact us at any time in case of quality problems. 【Package contains】6 Bird Scarers Windmills.The goods you received are parts of the windmill, which need to be assembled by yourself. 【Size】Diameter of windmill after installation: 24cm/9.4inch,high 54cm/21inch.Compared to other bird deterrent windmill on the market, our windmill are larger and have a better effect of repelling birds. 【Multicolour Reflective Bird Deterrent Windmill】The color of the color windmill is more bright. In the breeze, the windmill rotates in the sun and reflects a dazzling light. The birds will fly away when they see it, without damaging the environment and animals. 【Windmills for Children】These windmills not only have excellent deterrent effects on birds, but also can be used as toys for children.