4-way locking Four modes (entry only, exit only, entry and exit, locked) can be easily controlled by the door handle. Pet Body Size】 22.5 cm wide x 19.5 cm high, suitable for cats with a waist circumference less than 41 cm to pass through the dog door easily. Quiet Operation: The brushes and magnets are not in direct contact with each other, reducing noise when pets enter and exit. The transparent door panel allows your pet to safely observe the indoor and outdoor environment at all times. Easy Installation: Can be installed on a wooden or PVC wall or door. The installation diagram inside the packaging explains how to install it easily. Magnetic cat flap This magnetic cat flap is made of ABS, durable enough to withstand long-term use and extreme weather conditions.The four-way locking system offers the cat flap multiple closing modes, allowing you to control your cat's access as you wish.Outer frame size: 29.5 x 25 x 5.5 cm, inner frame size: 22.55 cm x 19.5 cm. Suitable for cats less than 19.5 cm tall. Please measure your cat and choose the correct size for your pet. Silent, free-moving magnetic cat flap. Magnets and indirect contact brushes reduce noise when pets enter and exit.Four modes (center, center only, exit only, in and out, and closed) can be easily controlled using a button on the door. The transparent door panels allow pets to safely observe their indoor and outdoor surroundings at any time. By controlling entry and exit, cats can observe the outside world while being prevented from entering the room while they sleep. Please supervise children under 3 years old when the cat door panel is in the unlocked mode.The package includes: 1 x pet door (other products not included).The data is measured manually, please allow for a 1-3cm error. Due to differences in light and screen settings, there may be some color variation; please refer to the actual product received.