Four mode control with a red switch The cat flap offers four modes: output only, input only, input and exit, and fully locked. This lets you match access to your pet's needs while keeping you in control. Safe, visible, and controllable The transparent flap allows your pet to see through, and the fourway locking provides flexible access control to fit your situation without compromising safety or security. Dimensions and installation options Frame size: 24.5 cm x 20.3 cm wide x 3 cm deep (H x W x T). Inner opening: height 15 cm; inner door width 14.8 cm. Suitable for installation in windows, doors, closets, panels and thin walls, making it easy to fit in a variety of locations. , durable, weather resistant Made from ABS plastic with a weatherproof, smooth, durable surface. Includes a fixed groove and pressure tabs for a weatherresistant brush strip. The brush strip is firmly fixed and can be easily reinserted if it comes off. The design helps reduce noise and minimizes exposure to rain, wind, and pests such as mosquitoes. Practical use scenarios Everyday pet freedom: Set to input and exit to allow your cat to come and go as needed while you maintain overall access control. Multiroom access management: Use the 4way lock to control from which side access is allowed, suitable for homes with multiple rooms or pets. Weather and pest protection: Use fully locked during bad weather or when you want to seal the opening to prevent rain, wind, or pests from entering.