1、Strong Suction Cups: This window bird feeder is equipped with two stronger suction cups, which can remain in place even if many birds eat at the same time. It can withstand any adverse climatic conditions. The exterior design is not only aesthetically pleasing, but also easier to observe. 2、Bird Seed Tray: Detachable tray for easy cleaning and filling. The roof on the feeding tray protects the seeds from rain and snow, making them sturdy enough to withstand various weather conditions. You can also use a wet towel to quickly clean the surface to remove any dirt or water marks. 3、A Perfect Birdhouse: The improved transparent ABS provides a close range and smooth view. The central hollow circular window provides a more direct view, allowing you to see your cat, child and elderly person up close. 4、Comfortable and Safe: Our large bird feeding trough is designed with the safety and comfort of birds in mind. It has enough space to accommodate different types of birds. A rounded corner without edges or sharp points. 5、Enjoy Discovering Birds: A unique gift for bird enthusiasts. Look at the colorful wild birds from nearby. Sit in your kitchen and enjoy discovering your garden birds. The bird window slot is suitable for any smooth glass window.