: Input: AC 100~240V, 50/60Hz ; Output: DC 9~36V Adjustable, Max 3A 108W ; It can supply with any voltage between 9~36V,such as 9V 10V 12V 14V 16V 18V 20V 22V 24V 26V 28V 30V 32V 34V 36V etc and any amp less than 3A, such as 500mA, 800mA,1A, 1.5A, 2A, 2.5A, 3A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device. Never overload! : Based on hundreds of users feedback, we have made the following improvements: 1. The knob can be adjusted more evenly, and it can reach 23V ~ 25V by rotating 50%. 2. Increase the off gear to turn off the power without pulling the plug. 3.Add a polarity converter cable, which make it compatible with more devicesdoubles its range of application. : It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5