4-way locking mode --- The pet door can be adjusted with the red and green tab buttons to 4 modes: out only, in only, both in and out, and fully locked, easy control over your pet's entry and exit.

Size application --- Outer size 23.5 cm W * 27.5 cm H

High quality --- Made of ABS material, weather-resistant, the surface is smooth and durable. It has a fixed groove with snap tabs for weather-resistant brush strip, firmly fixes the brush strip. Even if the brush strip comes loose, it is easy to put it back into the fixed groove. This helps the brush strip reduce noise, stop raindrops, wind or pests like mosquitoes to the greatest extent.

Easy to install --- Step-by-step installation instructions in the user manual included in the sales box and installation video presentation for reference, take care of the message and prepare the necessary tools, easy to install as needed. The tunnel depth can be cut down according to your installation needs.

Applicable scene --- It is suitable to be installed on interior doors, exterior doors, walls, windows, cabinets, glass, etc.