On the road, in the woods, or on your back patio, the 27L Koolatron Voyager hard-sided cooler enhances any outdoor activity. This hybrid cooler chills food and drinks as well as warms them when needed. It is powered with state-of-the-art thermoelectric cooling technology and simply plugs into a 12-volt power outlet receptacle for use. | Koolatron 12V Electric Cooler/Warmer 27L (29 Qt) Two -Way Design - Grey