400W Power Inverter, 800W Peak, Built In, High Speed Cooling Fan, On/Off Switch & LED Indicator, 12V Cigarette Lighter/Accessory Plug Or Clamps To Battery, Ideal For Running Computers, Cell Phones, Lights, Power Tools, TV's, VCRs, Stereos, Radios & CD Players In Cars, Trucks, Boats, SUV & RVs.