Adjustable Power Supply - Input: AC 100-240V, 50/60Hz, Output: DC 3V~24V Adjustable, 3000Ma 72W Max, Polarity: Center Positive(+). It can supply power to any device requiring voltage between 3V-24V and current less than 3A, such as 3V 4V 4.5V 5V 6V 9V 12V 16V 19V 21V 24V 3A 2.5A 2A 1.5A 1A 1000mA 800mA 500mA 300mA. Multiple DC Tips - It comes with an original 5.5x2.5mm tip and 14pcs frequently used plugs: Micro-USB, Type-C, DC terminal connector, 6.5x4.4mm+Pin, 6.3x3.0mm, 5.5x3.0mm, 5.5x2.1mm, 5.5x1.7mm, 5.0x2.5mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm. All-in-one universal power supply, replaces lots of single tip or single volt dc power supply cords, save space and money for you!