1.70W universal laptop adapter Input voltage :AC 100-240V 50/60HZ.
2.Output voltage and current:12v/15v/16v  DC4.5A   18v/19v/20v  DC3.5A  24V DC 3A
3.7 voltage output
4:8pcs dc connectors
5.protection :short circuit protection .overload protection
6.Different voltage and different tips(8pcs  2pin style )  suitable for most brand laptop .such as Acer .IBM . Toshiba. Dell .Sony.Asua .Compaq.Liteon etc.