Laptop Network Adapters
Input voltage: AC100-240V 50~60HZ

Output voltage: (DC) 18V
Output current: 3A
Output voltage accuracy ±0.5% (no load)
Power polarity: positive inside and negative outside, inside (+) outside (-)
DC cable length: 2 meters
DC interface: 5.5*2.5 and 5.5*2.1mm
Color: Black