Features:
Universal laptop charger for use at home and in the car
Extra USB port for charging a second device
Overheat protection, overload protection, short circuit protection
Comes with 8 separate power plugs to fit different kinds of laptops.
8 different voltage setting: 12V, 15V, 16V, 18V, 19V, 20V, 22V, 24V

Description:
Input voltage: AC110-240V DC11-14V
Effective output power: 120W
Output voltage: DC12/15/16/18/19/20/22/24V (adjustable)
Output current: 12-19V, 5.5A, MAX, 20-24V, 4A, MAX
Conversion efficiency: ≥85%
Short circuit protection: Yes
Overload protection: 120%min
Voltage adjustment rate: ≤1%
Load adjustment rate: ≤1%

Specification:
Color: black
Size: 112*64*25.2mm
8 converter plug size: 6.0*4.0mm, 6.3*3.0mm, 5.5*2.5mm, 5.5*2.1mm, 5.5*1.7mm, 4.8*1.7mm,, 4.0*1.7mm, 3.5*1.35mm

Package included:
1 x power supply
1 x AC power cord
1 x Cigarette lighter wire
8 x DC converter plug