4 Way Locking Mode — The pet door could be adjusted by the Red and Green switches with tabs to 4 modes: out only, in only, both in and out, and fully locked, easy control of your pet’s in and out.
Easy to Install — Step by step installation instruction in the instruction manual included in sales box and 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.