Switch Mode - The pet door could be adjusted by the Red switch swing to 4 modes: out only, in only, both in and out and fully locked, easy to trace your pets side by side. Super convenience for owners, the door offers your 's the freedom and independence to come and go as they pleased. Size and applications - Frame size 24.4cm x 20.3cm x 3cm (H x W x T), door cover size, inner height 15cm and inner door width 14.7cm. tunnel make you easily install in windows, doors, cupboards, panels and thin walls etc. Safe and thoughtful design - Transparent flap let pet see through the door. The 4 Way Locking Flap provides your Cats freedom they love whilst keeping you in control and giving you the option to set it to in only, out only, in or out, fully locked. High Quality - Made of ABS plastics and weather resistance the surface is smooth and durable. It provides a fixed groove with snap tabs for weather-proof brush strip, firmly fix the brush strip. Even if the brush strip comes off, easy to put it back into the fixed groove. This greatly helps the brush strip reduce noise, stop rain drop, wind or like mosquito to the most. Independence - The flexible 4 Way Locking system gives your a greater area of exploration and freedom; catering to their curious nature and keeping them active Material: plastic colour: White Package Contents: 1 x Pet door Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.