This interior cat door allows your cat easy access to their essentials, such as food, water, and the litter box, even when the main door is closed. - 4-Way Locking Mechanism: The door features a versatile 4-way locking system with modes for in-and-out, only in, only out, and fully locked. Easily control access with a simple rotating knob, giving you flexibility in managing your pet's movements. - Versatile Application: Suitable for both interior and exterior use. Outer dimensions: 10.03" x 2.36" x 11.81" (D x W x H); inner dimensions: 7.87" x 8.66" (D x H). Designed for cats weighing up to 25 lbs, it fits a variety of door types, including wood, PVC, and metal, with thicknesses ranging from 1/2" to 2". - Easy Installation: The cat door comes with a full-size cutting template for straightforward installation. It can be placed in various locations such as cupboards, garages, laundry rooms, closets, utility rooms, bedrooms, bathrooms, and litter box cabinets. - Durable and Weather-Resistant: Constructed from strong ABS plastic with a high-strength acrylic flap, this door is built to last. The fully brush-sealed flap features magnetic closures, ensuring complete weatherproofing, minimizing energy loss, reducing noise, and keeping out insects and odors. This cat door is an ideal solution for pet owners seeking convenience and efficiency, allowing for a seamless transition between your cat's space and the rest of the home.