Description Engel MR040F-U1 Portable AC/DC 12 Volt Fridge-FreezerThe new Engel MR040 is based on our popular MT45 model. It features the same ultra-efficient cooling system, but now in a more weather resistant and stylish all plastic exterior, which is ideally suited to boaters and outdoor campers alike. The lid is conveniently reversible for easy access from either side. There is a storage tray under the lid for spare cords or fuses. The corners are protected with large rubber bumpers. Operates off 12/24V DC or 110V AC. It automatically switc