Features:Let your cat pass through each internal doorGive your cat to come and go, the freedom, as he or she pleases with this cat flap that has a 4-way locking systemAlso suitable for small dogsSpecifications:Color whiteMaterial: PlasticSize M: External Dimensions: Approx. 20 x 19 x 5.5cm/7.9 x 7.5 x 2.2inInner Dimension:Approx. 16 x 15.7cm/6.3 x 6.2in4 Ways To Go In And Out Control:1. door is locked from both sides2. flap is completely open and cat can come and go at will3. Cat can just penetrate from the outside, but do not go back4. Cat can go out but not go back (to other cats also prevents entry)Surgery:1. Remove red button to the right and blue button to the left door will unlock. Cat can go out and get.2. Remove red button to the left and blue button to the left, Cat can just enter and not go out.3. Remove red buttons to the left and blue buttons to the right cat can not enter and go out4. Remove red button to the right and blue button remove just to the right, remove cat and can not go back.Package List:1 x 4 Wage cat flap.