- Crafted from non-toxic ABS material, this pet door is designed for durability and longevity. Its weatherproof and smooth surface ensures easy maintenance, making it a practical choice for any pet owner. - Versatile functionality with 4 adjustable modes, controlled easily via red and green switches: 1. Entrance only 2. Exit only 3. Fully closed 4. Fully open - Compatible with various surfaces including brick walls, wooden doors, PVC doors, and metal doors. Installation is straightforward, accommodating door and wall thicknesses of 2-5 cm, and can be assembled or disassembled with ease following the provided instructions. - Size options: - Large: Outer dimensions 24 x 25 cm (W x H), Passage dimensions 18 x 19 cm (W x H), Thickness 5.5 cm - Medium: Outer dimensions 19 x 20 cm (W x H), Passage dimensions 15.5 x 16 cm (W x H), Thickness 5.5 cm - Ideal for indoor and outdoor use, allowing pets to freely come and go without constant interruption. Perfect for homes with active pets who enjoy exploring the outdoors, or for those needing to manage indoor space effectively, creating a private area for pets while maintaining home security. - This pet door stands out for its ease of use and practical design, ensuring your pet's independence while preserving your home’s integrity and style.