This cat door provides your feline friend with easy access to their essentials, such as food, water, or the litter box, even when the main door is closed. - 4-Way Locking Mechanism: The door features a versatile locking system with four modes: in and out, only in, only out, and fully locked. Easily control your pet’s movement with a simple rotating knob. - Versatile Application: Suitable for both interior and exterior use. Outer dimensions are 10.03 x 2.36 x 11.81 inches (D x W x H) and inner dimensions are 7.87 x 8.66 inches (D x H), accommodating cats up to 25 lbs. It fits securely in doors made of wood, PVC, or metal with a thickness of 1.2 to 2 inches. - Simple Installation: The cat door comes with a full-size cutting template, making installation straightforward. It's ideal for various locations, including cupboards, garages, laundry rooms, utility rooms, bedrooms, bathrooms, and litter box cabinets. - Durable & Weather-Resistant: Constructed from robust ABS plastic for the frame and high-strength acrylic for the flap, this door is built to last. It features fully brush-sealed edges and magnetic closures for effective weatherproofing, minimizing energy loss, reducing noise, and preventing bugs and odors from entering your home. This cat door is a practical solution for giving your pet independence while ensuring your home remains quiet and comfortable.