The Petkit Breezy 2 Smart Cat Carrier is the perfect solution for safely and comfortably transporting your cat or puppy while on the go. The backpack features a smart fresh air system with mesh panels and multiple ventilation holes to ensure your pet has good air circulation. The wind speed inside the backpack can be precisely controlled with mechanical buttons. The brightness of the built-in lights can also be manually adjusted so that your pet is not disturbed while resting and can see its surroundings. With a sturdy, waterproof outer shell made from lightweight materials, this backpack is easy to carry and keeps your pet dry even on a rainy day. Battery not included.