Manufactured by UK company Electrothermax for the US Military. Heater model is RAK 15, which operates off 15 amps and is designed for installation in tanks and trucks. The RAK Water and Ration Heaters provide potable hot water and heat MREs on demand, to give a hot meal and drink for personnel whether under combat conditions, on patrol, or back at base. They are rugged, manufactured to withstand the most harsh environments and can be installed in armoured vehicles, patrol boats and helicopters.Complete with removable pot to heat your items in.Heats 2 pints of water and 5 MREs in vehicle while on the move. Contents remain hot for up to 6 hours after the unit has been switched off. Designed-in " Boil Dry" condition and fail safe mechanisms and connects to vehicles auxiliary power supply, 24 volts DC. Like new condition.