A compact design allows you to connect a usb cable for any device that you wish. It fits all standard cigarette and auxiliary power adapters. It fits into any 12V ~ 24V car lighter jack, Output: DC5V, 1A. It"s compatible with all iPods, iPhones, MP3 Players, Mobile Phones, Digital Cameras, PDA"s and many more. It allows you to charge your devices on the go; it alleviates the need to carry multiple model specific 12v car chargers. Has a convenient red power indicator light.