Harness your vehicle's battery to efficiently power office equipment on the road. Ideal for powering laptops, portable electronics, personal printers and more from your vehicle's battery. Allows users to run AC devices from any 12V cigarette lighter socket. Convenient cigarette lighter DC input jack with 3-ft. cable provides 1-step installation. Ultra compact, lightweight design with all-metal housing. Low battery alarm with auto-shut off preserves vehicle battery. For Device Type: USB Devices; Adapter/Charger Type: Car Charger; Power Source(s): Vehicle Outlet; Connector/Port/Interface: 2 AC.