ZOUYUE Safety Cat Door 4 Way Lock,Independent & ComfortableKitties or puppies can enter and exit by themselves,rrange playtime or potty breaks as they like.Cat door seems to tell them:"Be My Guest!"4 Way Lock Pet Door For Cat can control the cats in and out,prevent other animals to disturb them. The pet door could be adjusted by the Red and Green switches with tabs to 4 modesout only,in only,both in and out,and fully locked,easy control of your pet's in and out. The cat door is made of ABS material,weather-resistant,the surface is smooth.Cat door provides a fixed groove with snap tabs for weather-proof brush strip,firmly fixthe brush strip.Even if the brush strip comes off,easy to put it back into the fixed groove.This greatly help the brush strip reduce noise,stop rain drop,wind or pest like mosquito to the most. Step by step installation instruction in the instruction manual included in sales boxand installation presentation video for you reference,take care of notice and prepare necessary tools,easy to install as your need.The tunnel depth could be cut down according to your installation need. Pet door for cat fits to being installed to interior doors,exterior doors,walls,windows,cupboards,glass,etc. Brand:ZOUYUE Color:White Material:ABS plastic Target Audience:Cats