ASA’s Advent REF12V 12-volt miniature refrigerator and warmer can be transported using a shoulder strap and is powered by an adapter cable that plugs into a DC power outlet. The REF12V features thermoelectric cooling and heating capabilities with a maximum cooling temperature of 40 degrees Fahrenheit and warming temperature of 140 degrees Fahrenheit.

An LED indicator signals red for warming and blue for cooling. The 7.1 liter-capacity refrigerator does not require any ice and has an increased internal height to hold taller 20-ounce bottles; the unit can hold up to six 16.9-ounce bottles, four 20-ounce bottles or nine 12-ounce cans. The REF12V features a tray style lid, weighs 6½ pounds and is 6.9 inches wide, 11.9 inches high and 13 inches deep.