Converts your car cigarette lighter into a powerful 90-watt wall outletPower and charge most Mac or PC notebooks and USB mobile devices simultaneously in your carBuilt-in USB power port lets you charge USB compatible devices90 watts peak power (5 minutes minimum) and 75 watts continuous power (120 minutes minimum)Works with a USB cable or purchase separately a Kensington USB Power Tip pack with retractable USB cableIncludes 2-year warrantyLength: 8.50Width: 6.13Height: 6.13