The flap is built from high-quality ABS material with a smooth surface, providing a strong, durable door for your pet. Key features and benefits - Strong, durable construction: ABS shell with a smooth, reliable surface for long lasting use. - Clear, animal-friendly design: transparent flip cover lets your pet see through the door, reducing hesitation. - Weather resistant and quiet: outer screen is waterproof and brush strips help minimize door closing noise for smooth operation. Size and compatibility - Outer dimensions: 25 x 23.5 x 5.3 cm (H x W x D) - Inner usable size: 19 x 18.2 cm (H x W) - Suitable for pets under 9 kg; recommended waist circumference less than 60 cm. 4-way locking system - Four switch modes for flexible access control: in-only, out-only, in-and-out, and locked. - Easily set via labeled red and green switches, allowing you to keep pets in or out as needed. Practical use scenarios - Everyday pet access: let a small cat or dog come and go freely while you stay indoors, with control when needed. - Night or travel protection: use the locked mode to prevent entry during the night or when you’re away. - Weather and noise reduction: keep drafts out and reduce door noise thanks to the brush strips and waterproof outer screen. This product stays true to its specifications and purpose, offering a practical, reliable pet door solution for homes with small pets.