[4 Way Locking Design] Easily move the red/green switches, the cat door shows 4 modes to lock: Free Access, In Only, Out Only and Totally Locked. Quite sufficient and convenient. The magnet on the bottom will make it back to the original place after cats pass through the cat door. [Easy to use] This cat door is windproof, and the brush strip on the cat door can clean the garbage on the cat flap and reduce noise. Our cat door has three sizes, you can Choose the cat door size according to the size of the cat. [Easy to Install] The cat doors for interior doors have detailed installation steps, this large cat door can be installed easily in a short time. 8 screws and its caps included in the set make you easily install in doors or walls. [Warm Note] We offer 3 size Cat Flap Door, before order please measure cat’s weight and waistline, the cat flap can be installed on interior doors, exterior doors, walls and cupboards, etc. Another thing to note is that if the rotating shaft is stuck by
