- 4-Way Locking System: Our Interior and Exterior Cat Door features an adjustable rotary lock that allows you to select from four modes: out only, in only, both in and out, and fully locked. This gives you complete control over your pet's movements. - Dimensions & Compatibility: The outer dimensions are 7.56 x 2.17 x 8.46 inches (W x H x D), while the inner dimensions are 6.18 x 6.30 inches (W x H). This cat door is designed for installation on doors and thin walls and is ideal for cats weighing up to 15.7 lbs. - Durable Weather-Resistant Design: Constructed from high-quality ABS material, this cat door is smooth and resilient against the elements. It features a fixed groove with a magnet that securely holds the weather-proof brush strip in place. This design minimizes noise and effectively blocks rain, wind, and pests. - Simple Installation: Our cat door comes with a detailed installation manual and an instructional video for your convenience. Prepare the necessary tools, and you can easily customize the tunnel depth to fit your specific installation needs. - Practical Use Cases: 1. Perfect for allowing your cat to access the outdoors while keeping your home secure. 2. Ideal for use in apartments or homes with thin walls, providing flexibility in placement. 3. Great for multi-pet households where controlled access is necessary to manage pet interactions. This cat door combines functionality, durability, and ease of installation, making it an essential addition for any cat owner looking to enhance their pet's freedom while maintaining control over their environment.