1TRANSPARENT DESIGN: Fully transparent cat door is used for installing indoor or outdoor doors, which can effectively help pets see outside through the door, suitable for installing on glass windows and glass doors. 2SILENT BRUSH: The inner door frame edge is designed with fine bristles, which can reduce the noise and won't scare the pet or disturb the owner when the pet goes in and out. 3MAGNET POSITIONING: Silent magnets can be quickly reset when pets enter or exit without making any noise, and the door automatically closes when entering or exiting to prevent other animals from entering. 44 WAYS IN AND OUT: The cat door has 4 different ways to control the entry and exit, feel free to control the pet in and out, suitable for cats and puppies, small pets and puppies can pass through. 5EASY INSTALLATION: With its simple and user friendly design, this cat door can be easily installed in no time, saving you the hassle and inconvenience. 1 x CatDoor 11 x Screw 3 x ScrewHiddenBuckle 1 x InstructionManual 1 x CuttingTemplatePaper