Cool Large Spaces in a Jiffy! For the hot summer days and nights, when a regular air cooler and some cold drinks aren't enough, the Arctic Air Tower Plus Portable Air Cooler will help you beat the heat! With Hydro-Chill Technology and all-new Mist Boost Mode, along with an evaporative air cooling, and six cooling jets that can bring you the chill even in hot and arid conditions. It has 4 fan speed settings - low, medium, high, and turbo. Portable & Convenient: This portable cooling fan unit has an oscillating head, so you can position your cooler in any direction, anywhere in the room. All these features come in a lightweight design with a quiet fan so you can relax or work anywhere in peace. Just fill up its water tank, set the speed, and turn it on! With its large water tank, this portable air cooler can last up to 16 hours, depending on the fan speed. It also features an auto-off timer and a dimmable LED Night Light. With its high-capacity water tank, this oscillating tower fan can last for 16 hours, depending on the fan speed, temperature, and humidity.