The Arctic Air Portable Air Cooler is the portable cooler that transforms any outdoor space into a cool oasis! Cordless, Lightweight, and portable, this cooling fan is designed to beat the heat, with (3) 8" blades pushing large volumes of air through 2 hi-capacity cooling jets. To get this portable evaporative cooler going, simply fill it with water. The personal air cooler is weather resistant, and powered by a 120 V rechargeable battery, meaning that you are not bound to a power outlet and a power cable. You can charge the battery via USB, and a full charge will last up to 6 hours. This cooling fan features a built-in reservoir which makes it perfect for outdoor use. This evaporative air cooler comes with a convenient carrying handle, as well as a hose attachment for easier filling.