Keep your food cold while traveling with this deluxe EdgeStar FP430 portable refrigerator freezer. This powerful unit packs the strength and insulation of a home freezer into a compact and rugged appliance. For ultimate portability, this unit runs off standard household voltage, or easily connects to the cigarette lighter outlet in your car. Forget about thermoelectric portable coolers - this portable refrigerator freezer features a full range digital thermostat that is adjustable from -8°F to 50°F and it will hold a stable temperature under most conditions. Plus, the insulated metal walls will keep your food cold for hours, even without electricity!