Features:Let your cat through every interior doorGive your cat the freedom to come and go as they please with this 4-way locking cat flap.Also suitable for small dogsSpecifications:Color whiteMaterial: PlasticSize M: Whole flap with frame: 19.2*20*5.5cmThe actual shutter: 15.6*15.2cm4 ways to enter and exit control:1. the door is locked on both sides2. the shutter is fully open and the cat can come and go as desired3. The cat can only enter from the outside, but does not back down4. The cat can go out but not come back (also prevents other cats from entering)Surgery:1. Pull out the red button on the right and the blue button on the left door will unlock. The cat can go out and take.2. Remove the left red button and the left blue button, the cat can only enter and not exit.3. Remove the red buttons on the left and the blue buttons on the right The cat can't get in and out4. Remove the red button on the right and the blue button remove only on the right, remove the cat and do not go back.Package list:1 x 4 pay cat flap