The power adapter is a switching-mode power supply for Laptop/game player/mobile phone/camera/LCD/switching etc, operation at input AC 100V to 240V 47-63Hz. Output DC 7 voltage: 15V/16V/18V/19V/20V/22V/24V, output USB port: 5V-2A, output 90 watt max. If you have any demand pls don't hesitate to contact me directly on shanhongmin1988at sohumail dot com or call me 86-15019410309
Equipped with 8PCS tip connecter to suit to almost electronics equipments, Select output voltage to suit to the equipment and make sure the polarity of tips connect correct before use. With protection function: Overload protection, High temperature protection, Short circuit protection, Reverse polarity protection. Elaborate electrocircuit ensure the excellence stabilization, and the least servicing.