High-quality material The pet flap is constructed from ABS and PP with a smooth surface for durability and reliable performance. 4-way lock for flexible access The cat door offers four modes controlled by red and green labeled switches: in only, out only, in and out, and fully locked. Easily adjust to keep your pet in or out, while giving a cat or small dog the freedom to come or go without disturbance. Transparent visibility and quiet operation The transparent flip cover lets your pet see through the door. The outer screen is waterproof, and brush strips reduce the noise of closing, ensuring minimal disturbance for pets and owners. Easy installation and weatherproof design Includes complete installation instructions. Durable, weatherproof pet flap with an inner telescopic frame for easy fitting in windows, doors, cupboards, and more. Use scenarios - Let indoor/outdoor cats or small dogs roam freely during the day while keeping them indoors at night or during specific hours. - Restrict access to certain rooms (eg, kitchen) while allowing movement between living areas. - Install on doors, windows, or cupboards to provide controlled access to a preferred space without open doors or gates.