Introducing the HKM-528851 Cat Door, designed to provide your pets with the freedom they crave while ensuring your home remains secure and comfortable. This innovative weatherproof pet flap is perfect for windows and sliding doors, giving small dogs and cats the ability to come and go as they please.

The HKM-528851 features four distinct access modes, allowing you to dictate your pet's entry with ease. Choose from Free In & Out, Fully Locked, Out Only, and In Only settings. This flexibility is crucial for maintaining a safe environment while protecting your home from unwanted pests.

Crafted from durable ABS plastic, the HKM-528851 Cat Door ensures longevity and resilience. With panels measuring just 0.78 inches thick, installation is a breeze—no need for complicated cutting. The dimensions of the unit itself are 7.7 x 7.5 inches, with a flap size of 6.7 x 6.3 inches, accommodating pets with a waist circumference of less than 19.8 inches.

For optimal performance, this cat door is equipped with a sealing well strip and magnets. These features work together to effectively block out bugs and odors while maintaining your home's internal climate, minimizing air loss during both summer and winter months.

Installation is straightforward, thanks to the inclusive instructions that come with detailed templates, eight screws with caps, and double-sided tape for secure mounting. With the HKM-528851 Cat Door, you'll enhance your living space while greatly improving your pets' quality of life. This product combines convenience, functionality, and peace of mind for responsible pet owners.