The Knox Gear cooler is the perfect travel companion. Save money and a mess by not having to buy ice when traveling. You wont need to stop on your trip for a cold drink. The cooler goes to standard refrigerator temperature of 40F so your food will stay cold and wont spoil. The cooler can fit a large 2 liter soda bottle and plenty of food with its 27 quart capacity. You can also with a flip of the switch use it to keep food hot. The plug is attached and goes into a compartment so the whole unit is one piece.