48W Universal laptop adapter , 

Input:100-200V
Output:15-20V , 3.2A  MAX

SIZE :90*37*26.5mm

Support:GPS, mp3/4 player, mobile  etc.and support many brands laptp  Compaq, HP, Dell ,Apple ,IBM, Toshiba, Sony, Acer, Asus, Fujitsu, Gateway, Samsung, LS, Delta, Liteon and NEC