☞ 4-Way Switch Mode — The cat flap can be set to 4 modes via the red and green tabs: exit only, entry only, entry and exit, and fully locked to easily control the entry and exit of the door. animal. Dimensions and uses: External dimensions: 28 x 24.9 x 5.5 cm (W x H x D), Internal dimensions: 22 x 20 cm (W x H), Cut-out dimensions: 24 x 21 cm (W x H), suitable for installation on doors and thin walls, suitable for cats and dogs weighing less than 12.49 kg and with a waist circumference of less than 63 cm. centimeter Safe and thoughtful: The transparent flip cover allows your pet to see through the door. The outer rain seal is waterproof. Brush strips eliminate noise when closing door. EASY INSTALLATION: Full instructions include easy installation in windows, doors, cabinets, panels and walls etc. Excellent Quality: The surface is made of ABS material, which is weatherproof, smooth and durable.