This ingenious fan cools air by up to 15 degrees to keep you comfortable on hot summer days. And it's portable for use at home, the office - even in your car, truck or RV! The patented misting head features a Nano-Mist Generator that creates a dry, microscopic mist that's so fine, it evaporates almost instantaneously. Also has energy-efficient water-resistant electric motor, automatic 4-hour mist shutoff and 8' cooling range. Comes with AC power supply, 12V DC power supply, cup holder insert for vehicle use and funnel.