4 door lock modes: the knob can be turned in 4 directions, to facilitate the pivoting of the living room with the arrows and symbols to control your cat’s access, 4 options are inside only, outside only, free and fully enclosed inside and out. The lock mode labeling on the button is easy to understand. Silent door brush: This free-running door has a brush at the bottom, which can effectively mute the sound of the cat when entering and leaving, so as not to disturb the rest of the genes. And the flap door has a quick positioning function, which can quickly close the door after the cat enters and leaves. Easy Installation: This pet door is suitable for brick walls, wooden doors, PVC and metal ports. The large door measures 25x23.5x5.5cm and offers space for cats of all sizes and small dogs (Pomeranian, Yorkshire Terrier, Dachshund, etc.) in and out of the room. /p> Three colors are available: This cat flap is available in three colours: white, black and brown. You can choose the right