RoadPro cooler / warmer has plugs directly into a 12 Vdc power port and holds nine 12 cans (7 Litres) of your favourite beverages.  With a built-in double cup holder and adjustable shoulder strap the magnetic catch lid keeps contents secure.  LED lights indicate cool or warm operation and it cool to 1.7 ?C (35 ?F) below ambient temperature and warms to 10 ?C (50 ?F) above ambient temperature.  The insulated design keeps contents cool or warm, even after unplugging.  It has a 2 m (6.5') power cord.  Current draw: 4.5 A / 54 W.  Weight 2.2 kg.