30W Universal Power AdapterAC Input:100-240V 0.25A 50/60Hz; DC Output: 3V/4.5V/5V/6V/7.5V/9V/12V adjustable, 2.5A Max; DC Plugs Size: 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, Micro-USB, Type-C and DC terminal connector. All-in-one Multipurpose AC/DC Adapter It offers 14 interchangeable tips, which makes it fit many 3V~12V electronics such as tablet, scales, routers, speakers, CCTV camera, etc. We especially add a 5V 2.1A USB Port, so you can use it to supply power to your power bank, smart phone,etc. (USB cable not included). Built-in Safety ProtectionsCertified by FCC CE ROHS. Multiple safety system protects the power adapter very well. The built-in smart IC will turn off it whenever it is overload, over-voltage, overheat or short circuit and protect your devices from overcharge. User-friendly DesignALITOVE power adapters voltage regulating knob is convex, you can change the voltage