This 15w universal power adapter would meet your power need for many household and office electronics, such as Electrical toys, Battery chargers, Wireless receivers, christmas light decoration, Games consoles, Kids 4 wheeler, GPS, DVR, Webcam, Speaker, CCTV Camera, Portable Bluetooth Speaker, Samsung-Galaxy Note Tab,modems, lan phones, USB Hubs, 2.5" external hard drives, laptop cooler, external speaker and more. | 8 x DC Plugs Dimension of this universal ac adatper: 5.5x2.5mm, 5.5x2.1mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.0mm, 2.5x0.7mm, and Micro USB plug. | With Inner Positive(+), Outter Negative(-) Polarity.!!!!POLARITY CAN NOT BE REVERSED!!!! This 15W universal charger built-in protection of over current, over voltage, short circuits, compatible with 3V 4.5V 5V 6V 7.5V 9V 12V power supply cord | Output : 3V/4.5V/5V/6V/7.5V/9V/12V.Max 15W, compatible with 12W universal ac dc adapter!!!!Choose correct voltage before powering or it may damage your device!!!! | Package included : 1 x 15W Universal ac/dc adapter, 8 x tips.