1. Switch: The pet door has a 4way switch setting: outside only, inside only, both inside and outside, or fully locked, enabling easy tracking of your pets' movements. It is designed for owner convenience, allowing your pet to come and go . 2. Size Applications: Frame dimensions are 9.6' x 8' x 1.2' (H x W x D), with an inner door height of 5.9' and width of 5.8'. The cat tunnel design allows for simple installation in windows, doors, cabinets, panels, and thin walls. 3. Safe and Thoughtful Design: The transparent flap enables pets to see through the cat door. The 4way flap gives cats the freedom they like while allowing owners to control access, restricting them to indoors, outdoors, both, or fully locked. 4. : Made of durable, weatherresistant ABS plastic, it has a fixed groove with snap tabs for securing weatherproof brush strips. Even if the brush strip loosens, it can be easily reinserted into the groove. The brush strip helps reduce noise, block raindrops, wind, and mosquitoes.