Coleman Cool Zephyr Window Fan Compatible with most tents Attaches with included magnetic plate Install inside to draw in fresh air or outside to blow out stagnant air Built-in stand on magnetic plate also allows use as a freestanding fan Compatible with any Coleman Cool-Air Port 2 fan speeds: high, low Runtime: 20 hours on high, 40 hours on low Foam fan blades are soft to the touch Powered by six D-cell batteries (sold separately)