Draper-28815-12V-400W-DC-AC-Inverter-Draper-28815-Takes-12V-DC-from-a-vehicle-s-battery-and-converts-it-to-230V-AC-Used-with-appliances-that-have-3-pin-UK-type-plugs-Fitted-with-a-USB-port-for-charging-mobile-devices-this-makes-the-chargers-flexibility-ideal-for-use-in-caravans-boats-HGVs-etc-For-safeguarding-appliances-the-unit-is-fitted-with-an-overload-alarm-and-reverse-polarity-protection-Display-packed-br-Draper-28815-12V-400W-DC-AC-Inverter