Samlex Explorer 450w Modifed Sine Wave Power Inverter Light weight, compact, highly portable; Easy to install and operate Includes: Cigarette lighter cable with 12v power plug and cable with battery clamps 2.1 Amp 3.0 USB Port (compatible with all newer smart phones) 2 Year Samlex Warranty Low battery input alarm and Universal protection circuit  thermal, battery, overload, short circuit & earth fault