1、100% Brand new. 2、8 interchangeable plugs for flexible adaptation to different notebook models. 3、The output voltage is adjustable, DC 12V/15V/16V/18V/19V/20V/24V. 4、A power indicator that indicates when the power adapter is connected to the main power source. 5、Built-in dual protection design, overload protection, over voltage protection. Features: 1. 100% Brand new. 2. 8 interchangeable plugs for flexible adaptation to different notebook models. 4. A power indicator that indicates when the power adapter is connected to the main power source. Specifications: Output:4.5 12/15/16/18/19V (Max) 20/24V 5 (Max) Load adjustment rate: ≤1% 8 different converter DC output port sizes: 6.3*3 mm/0.25*0.12in 6.0*1.0 mm/0.24*0.04in 5.5*2.5 mm/0.22*0.1in 5.5*2.1 mm/0.22*0.83in 5.5*1.7 mm/0.22*0.07in 4.8*1.7 mm/0.19*0.07in 4.0*1.7 mm/0.16*0.07in 3.5*1.35 mm/0.14*0.05in Package List: 1 * Adapter 8 * DC Port 1 * Power Cable Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.