This Dual 80mm USB version of our Cabcool is a great selection if you just want a no nonsense easy to install kit to keep your stuff cool. To use this kit you will need access to a USB port, the fan will switch on when the device is powered. It's been tested and will work with popular devices like Cable & Satellite Boxes as well as most common game consoles like the Nintendo Wii, Xbox 360, and Playstation 3. Also it's a great addition to a closed computer cabinet so you can exhaust the hot air that is created by the computer whenever it is powered on. Also available in a Single 120mm USB version. The dual 80mm fan bracket is (L) 210mm (H) 110mm x (W) 3mm (~8.25"x4.25"x.125") in size It can be mounted on any side of a cabinet, where room permits, by cutting a hole 175mm x 85mm (~6.9"x3.4") in size Insert completed cooler assembly in hole and attach to cabinet with appropriate screws. Fan(s) can be set to blow into or out of the cabinet depending on your needs.