This portable air conditioner fan is a game-changer for hot summer days. With its 4-in-1 functionality, it can be used as a fan, humidifier, air conditioner, and misting device. The device comes with a 600ml water tank and has a runtime of up to 12 hours. It's also equipped with 7-color LED lights, making it a great addition to any room. The product is lightweight, compact, and easy to use, making it perfect for indoor and outdoor use.