- 4 Way Locking Modes: The Interior Exterior Cat Door features an adjustable rotary lock that allows you to easily select from four modes: out only, in only, both in and out, and fully locked. This gives you complete control over your pet's access. - Size and Compatibility: With an outer size of 7.56" x 2.17" x 8.46" (W x H x D) and an inner size of 6.18" x 6.30" (W x H), this cat door is designed for installation on doors and thin walls. It is suitable for cats weighing up to 15.7 lbs. - Durable Weather-Resistant Design: Constructed from ABS material, this cat door is both smooth and durable. It includes a fixed groove with a magnet to securely hold a weather-proof brush strip. This design minimizes noise, prevents rain and wind from entering, and keeps pests like mosquitoes at bay. - Easy Installation: The product comes with a step-by-step installation manual and access to an instructional video. Prepare the necessary tools, and you can install it with ease. The tunnel depth can be adjusted to fit your specific installation requirements. - Practical Applications: Ideal for use in homes, apartments, or garages where you want to allow your cat to come and go freely. It can also be beneficial for multi-pet households, enabling easy access without needing to open doors constantly. This cat door is a reliable solution for pet owners looking to provide their furry friends with independence while maintaining control and comfort in their living spaces.