1. : Made of ABS plastic and weatherproof, the surface is smooth and durable. Features a fixed slot with press studs for the weatherproof brush strip, ensuring easy reattachment if the strip comes off. This design significantly reduces noise and effectively blocks raindrops, wind, and pests like mosquitoes. 2. SIZE APPLICATIONS: Dimensions 9.6' x 8' x 1.2' (Height x Width x Thickness). Door cover inner size: 5.9', door inner size: 5.8'. The cat tunnel can be easily installed on windows, doors, cabinets, thin panels, and more. 3. SWITCH MODE: The pet door offers 4 adjustable settings via a switch: inwardonly, outwardonly, bidirectional, or fully locked. Simple to operate, it provides pets with freedom and independence while offering owners convenience and control. 4. SAFE DESIGN: The transparent flap allows pets to pass through comfortably. The 4way locking mechanism ensures flexibility—allowing access inward, outward, both ways, or complete lockdown—giving cats the freedom they love while maintaining owner control.