300 Watt continuous power. 600 Watt peak power With single USB Socket DC to AC Power InverterOperate 230v UK standard applicances \'Outdoors\' using a 12v car battery or portable 12v power sourceIdeal for use with all cars, 4x4\'s & MotorcyclesAlso suitable for Caravans, Motorhomes, Camping and boats to operate Laptops, Stereos, TV\'s, DVD\'s, Faxes, Mobile Phones, household and many other appliances outdoors Multiple protection features for low voltage , over voltage, overload, short circuit & over heating etc. Anodized aluminium casing providing durability and maximum heat dissipation with built-in cooling fan