100% brand new and high quality Features: Allow the device to be switched on and off synchronously with the computer, which saves energy and is easy to use. Solve the inconvenience of losing the power adapter and save you money. Alleviate desktop or socket space, and also provide a refreshing working environment. One drag four cross interface, compatible with more devices, widely applicable. Tips: The baffle needs to be installed by itself. The output interface of this baffle is 12V 5V voltage optional, please confirm that the equipment voltage is in line to avoid unnecessary losses. The rated current of the output cable should be within 5A, and it is strictly prohibited to use over power. (Common computer power supplies usually drive additional monitors, and printers and other equipment are not problematic). The output polarity of the wire interface is internal positive and external negative, which must be consistent with the device before it can be connected. During the wiring process, the plug must not touch the metal part of the chassis/display to avoid short circuit failure. Specifications: Product name: Adapter Board Polarity: positive inside and outside negative Material: Copper core, PVC Number of interfaces: input 1, output 4 interfaces Interface: 1 2 : 5.5*2.5 compatible with 5.5*2.1 3 : 5. 5*2.1 4 :3.5*1. 35 5 : 4. 0*1.7 Size: app.121x41mm/4.76x1.61in Optional Styles: A, B Color: As pictures shown Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Adapter Board 1 x Power Cable(other accessories demo in the picture is not included.)