Give your cat the freedom to come and go as he or she wants This cat flap door has 4-way locking system: Turn the red lock at the bottom of the flap to set the door to the one of the following a. Cat can go out but can not get back(for preventing other cats also entering b. Cat can only enter from the out side but not go out again c. Flap is locked from both sides d. Flap is completely open and cat can come and go at will This cat flap is easy to use and install |