Easy installation steps: This can be done on wooden or PVC doors. Adapters required for brick walls, window panes and patio doors. Adapts to different climatic conditions: With its weatherproof strip and improved automatic double locking function, wind and heat stay outside. Offer your dog or cat more freedom: This allows you to offer your dog or cat maximum freedom; It is an ideal solution to let cats and dogs into your home without having to open the door frequently. Your pet will be more independent Simple and practical locking: This door is not only easy to install, but also allows you to offer your dog or cat maximum freedom. Resistance: This cat flap is robust and durable thanks to its hard, transparent plastic blade and high-quality, durable plastic frame; The door is suitable for most standard walls and doors. There are four modes (1) Close the cat flap lock in both directions. (2) means the door opens in both directions. (3) Allow cats out but do not let them in. (4) Entry is