Convert 12 VDC to 115 VAC instantly wherever and whenever needed. Built-in, high-speed cooling fan helps keep the unit cool. On/Off switch and LED Indicator. 750 W, with 1500 W peak surge power. Heavy duty clamps connect directly to vehicle battery. Used for running computers, faxes, cell phones, lights, power tools, TVs, VCRs, stereos, radios, CD players, blenders and portable vacuums in cars, trucks, boats, SUVs and RVs.