Input: AC 100~240V, 50/60Hz; Output. DC 9V 12V 15V 17V 19V 20V 24V adjustable, max 2A 48W. Can provide any current less than 2A, such as 500mA 800mA 1A 1.2A 1.5A 1.8A 2A. with 5.5mm x 2.5mm DC plug. Adjustable voltage can better match device parameters and supply more accurate and flexible changes. It comes with an original 5.5x2.5mm tip (inside"+", outside"-") 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, Micro-USB, Type-C and DC terminal connector. We especially add a reverse polarity converter, which will double its application scope. The 48W all-in-one multipurpose AC/DC adapter fit for many 9~24V under 48W small electronics such as Wireless router, LED light strips, TV boxes, Photo frames, Bluetooth players, Wireless headphones, Speakers, USB hubs, Wifi camera, Bluetooth charging boxes, Printers, Security Monitoring System, 9~24V small home elec