1, LED display for output voltage.
2, Universal Laptop AC and Car power Adapter.
3, Compact 90Watt universal notebook power adapter with integrated(USB)charger function.
4, Equipped with 8 different motebook commectors and selectable 5, power output to assure compatibility with most notebook models as Acer, Asus, Compaq, HP, IBM, Sony, Toshiba.
6, Switchable 12/15/16/18/19/20/24 Volt DC notebook power output.
Out current 4.5Amp(max)
7, Protected against ouveload, short circuit and overheating.
8, Use the USB pott to charge your MP3 player. Or you can buy the extra USB, charging cable with mobile phone tips to charge your mobile phone.

Other Details the Power supply(power adapter):
Delivery Detail 8-20days.
Case Size: 13.2*6.2*3.5ccm(L*W*H)