The PET flap is made of high-quality ABS material with a smooth surface for durability and quality assurance. 4-way lock for flexible access - Four switching modes controlled by red and green labeled switches. - Settings include in only, out only, in and out (fully open), or locked. - Easy to adjust, helps keep your pet in or out as needed while giving a cat or small dog freedom to come and go without disturbance. Clear visibility and quiet operation - Transparent flip cover lets your pet see through the door. - Outer screen is waterproof. - Brush strip reduces noise at closure to minimize disturbance for both pets and owners. Easy installation and durable design - Full instructions included. - Weatherproof pet flap with an inner telescopic frame. - Easily fits windows, doors, cupboards, and more. 2-3 practical use scenarios - Home entry door: allow a cat or small dog to go outside to a yard or porch while you control access with the four modes. - Interior door or room divider: keep the pet contained in a specific area when you need privacy or to limit wandering. - Cupboard or utility door: create a controlled access point for pets in kitchens, laundry rooms, or pet areas without redesigning your space. Compatible with standard door and window openings due to the telescopic inner frame, and designed for reliable, weatherproof performance.