**********VersatileThis 12W power adapter works with various household electronic, such as ip webcam, scales, portable bluetooth speaker, dvd player, mp3, mp4 player, USB Hubs, micro usb cooling fan, hdmi switcher, respberry pi 3, etc*****8 Tips There are 8 different dimension of connectors, mircro USB, 3.0 x 1.0 mm, 5.2 x 2.5 mm. 4.0 x 1.7 mm, 3.5 * 1.35 mm, 2.5 x 0.7 mm, 5.5 * 1.7 mm and a LED Terminal Connector specially for LED light strip.
*****SPECAC Input: 100-240V 50/60Hz, Output: 3V 4.5V 5V 6V 7.5V 9V 12V*****POLARITY Inner Positive, outter negative, POLARITY CAN NOT BE REVERSED!!!! Please double check the polarity of your devies require before order or charging. *****PACKAGE] 1 x 12W Universal Wall Charger, 8 x DC Tips.