CLEAR VIEWING WINDOW DESIGN: Through the high-definition transparent window, you and your family can view the inside of the bird houses without disturbing the birds, and enjoy observing the life of the birds while ensuring the peace of the birds. EASY TO INSTALL: All you need to do is to attach the two sturdy hooks to the window and place the bird house on them, which ensures that the birdhouses for outdoors is securely attached to the window even in harsh climates. EASY TO CLEAN: You simply slide to remove the acrylic panel and place the birdseed easily. The smooth wooden panels inside the bird houses for outside clearance are easy to sweep, ensuring that the birds' habitat is always hygienic and comfortable. HIGH-QUALITY CRAFTSMANSHIP: The wooden birdhouse is spray-painted, waterproof and corrosion-resistant for a long service life, and the wooden boards are fixed with iron nails at the joints, which is more solid and less likely to be damaged. GREAT PRESENT: Our window bird houses for outside can bring children closer and deepen the spirit of protecting animals and nature. Our outdoor aviaries provide ideal habitats for bluebirds, wrens, tree swallows, chickadees and many other birds. 1