1. Safe and Thoughtful Design The transparent flap allows pets to see through the cat door. The 4way cat flap gives your cats the freedom they love while keeping you in control, with options to set it to inonly, outonly, inandout, or fully locked. 2. Made of durable ABS plastic, it features a fixed groove with tabs for a weatherproof brush strip. Even if the brush strip loosens, it can be easily reinserted into the groove. This design helps reduce noise and blocks rain, wind, and mosquitoes. 3. Switch Mode The pet door offers four adjustable modes via the red switch: outonly, inonly, inandout, and fully locked, making it easy to monitor your pet's movements. Providing comfort for owners, this cat door gives your feline the freedom and independence they crave. 4. SIZE APPLICATIONS Frame dimensions: 9.6' (H) x 8' (W) x 1.2' (D). Inner door opening: 5.9' (H) x 5.8' (W). The cat tunnel can be easily installed in doors, cabinets, panels, and thin walls.