Providing 300W of continues power, the Streetwize 300W Inverter can easily convert power from a 12V source to a 230V AV power supply. The Inverter is ideal for on the go use when you\'re in need of power for laptops, chargers and stereos.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