Rolling 12V cooler/warmer is perfect for camping: This versatile 31L (33 qt) capacity 12V cooler/warmer is perfectly portable with durable wheels and sturdy tow handle to help you transport it over any terrain from your vehicle to your campsite, boat, or cottage. The durable hard plastic injection molded exterior protects contents and ensures peak performance. Keep your favorite drinks cold without ice or safely store items such as yogurt, cheese, milk, and meats. Switch to warming mode to keep your lunch ready to eat, bring home take-out or transport hot dishes to a family gathering, using less power than your vehicle's tail light and add use Koolatron's AC adapter (sold separately) to seamlessly transfer from your vehicle to the indoors.