: Input: AC 100~240V, 50/60Hz ; Output: DC 4~12V Adjustable, Max 10A 120W ; It can supply with any voltage between 4~12V,such as 4V 4.8V 5V 6V 7V 8V 9V 9.5V 10V 10.5V 11V 12V etc and any amp less than 10A, such as 300mA, 500mA,1A, 1.5A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device. : Based on hundreds of users feedback, we have made the following improvements: 1. The knob can be adjusted more evenly, and it can reach 5V ~ 6V 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, 2.5x0.7mm,