【Adjustable Power Supply】-Input: AC 100~240V, 50/60Hz;Output: DC 3~24V Adjustable(such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V),Power Max 144W;Compatible with devices with current below 6A（such as 200mA,300mA, 500mA,1A,1.5A,2A,2.5A,3A,4A,5A,6A). And the polarity of this adapter is:inside(+),outside(-). 【Multiple DC Tips & Reverse Polarity Converter】-It comes with an original 5.5x2.1mm tip,equipped with 14 frequently used plugs:Micro-USB, Type-C, DC terminal connector, 6.4x4.0mm+Pin, 5.5x2.5mm, 5.0x3.0mm+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.And a reverse polarity conversion cable, which can convert the output of the power adapter into a positive electrode (+). 【Visual Voltage】-Built-in protruding rotatable button for adjusting the voltage suitable for your device. Increase the off gear to turn off the power without pulling the plug. The LED displays real-time voltage,voltage data visually. When in use, set the voltage to the target voltage before connecting your device. 【Widely Used】-The 144W multi voltage universal power supply，good for most home and office electronics. Likes LED strip light, under-cabinet light, TV Box, music speaks, massage gun,wireless routers,dehumidifier, humidifier,Mini fan, camera, hard disk box, DC motor, DC pump,printor and more device. 【Power Adapter Package&24hrs Service】1 x 3V~24V Switch Power Adapter;14 x DC output connectors;1 x reversed polarity cable. High temperature resistant material make it very durable and reliable. Certified by FCC,CE,RoHs,UKCA. Protecty for overcurrent,overvoltage ,overload,short-circuit,it ensure the stability and smoothness. (And If you want to inquire about this product or have any question about after-sale, please feel free to contact us. We're here 24hrs service for you.) Meiyue Universal Adjustable Power Supply Adapter for 3V~24V, 100ma-6A equipment power supplying.