Digital Display Universal Adjustable Voltage Power Adapter $ 15.18 Product information: Product model: Adjustable power adapter Input voltage: AC100-240V 50-60Hz 1.5A 2A 2.5A Output voltage: 3-24 / 36V 1. .5/2/2 .5/5A Power polarity: Internal positive (+) external negative (-) DC socket: 5.5 * 2.5mm, universal5.5 * 2.1mm Length of AC line: 0.6m DC line length: 1.2m AC and DC wire material: Qure copper core