Pet flap, Lockable cat flap, For indoor and outdoor doors, wall or hidden litter box

4 Locking Modes: Cat flap, cat door. The cat door with lock has 4 switching modes. The cat door can be adjusted using the red and green switches with tabs. It can be set to open, partially open, partially open, or fully locked. It's easily adjustable, allowing you to keep your pets inside or outside. Excellent Design: The flap measures 18.4 x 20.3 cm; our small pet door is suitable for all cat breeds and some small dogs up to 6 kg. Durable Materials: The pet flap is made of high-quality ABS, which is weather-resistant, sturdy, and durable. Sturdy construction with UV-resistant polycarbonate. The transparent flap allows your pet to see through the door, reducing any fear of using it. Durable and weather-resistant cat flap that prevents cold air from entering. Beautiful decoration for glass windows and doors: The door flap is transparent, so after installation on a clear glass window/door, it looks like a single piece; ideal for installation on glass windows and sliding doors. Excellent design: The screws have been reinforced to make the cat door more stable and prevent it from falling to the floor. The flap door is movable so cats can easily come and go.