All the in car charging power you need from one handy device usb socket to charge phones including iphones and other devices such as mp3s two 12v sockets give extra charging and power capacity ideal for running sat navs and other portablesthe 12v plug has a fitted collar which will prevent it coming loose in the socket and a neat and tidy coiled cable the sockets light up for easy night time use battery analyser gives a guide to the vehicles battery level