Wall Auto Air Ultra Portable. Big power takes a slim profile with the Wall/Auto/Air Ultra Portable Notebook Power Adapter. It delivers reliable power for today's, high-performance notebooks as well as mobile devices such as iPod , mobile or smartphones, and PDAs-whether you're in the air, on the road or just at the office. Ultra slim lightweight design for easy portability wherever you go Powers and charges a notebook computer from any Wall or Auto/Air source Notebook tips included to work with most Dell , HP , Compaq , IBM , Lenovo , Toshiba , Sony , Gateway , Acer Includes a USB SmartTip to power and charge USB compatible mobile devices, including iPod, mobile or smartphones, and PDAs for the adapter Works with your own USB cable or purchase separately a Kensington USB Power Tip Pack with retractable USB cable. For more details visit: kensington Connection plugs included for use at home/office, airplane or car Up to 120 watts--plenty of power for today's high performance notebooks. Output Power: Up to 120 Watts Unit measures 5.6"L x 3.1" W x 0.77" H (14.22 cm L x 7.87 cm W x 1.96 cm H) Weighs 8 oz (250 g) (Body Only); 16 oz (500 g) (Body and Cables) Built-In Over-Current Protection, Short-Circuit Protection, Over-Temperature Protection