Features: 1) Universal DC tie-in size: a) 6 x 1 b) 6.3 x 3.0 c) 5.5 x 2.1 d) 5.5 x 2.1 e) 4.8 x 1.7 f) 4.8 x 1.7 g) 4.0 x 1.7. h) 3.5 x 17.5 i) Dell tip 2) Adaptability for laptop: Acer, AMS Tech, Averatec, Compaq, Dell, Fujitsu, Gateway, HP, IBM, NEC, Panasonic, Sharp, Sony, Sotec, Toshiba, Winbook, Hitachi, Asus, Medion 3) Adapt to the LCD monitor: brand LCD monitor For more information or other models of this kind of product, pleases visit our website at .Thank you!