The Dometic CK40D is a cooler and freezer in one. On the road, you can use the 12V car plug to use the thermoelectric function. This way, you can keep the snacks and drinks up to 20 degrees Celsius below the ambient temperature. Once at the campsite, you can use the standard 230V connector to use the compressor function. The content will remains between -15 and +10 degrees Celsius. Thanks to the spacious 38-liter capacity, you have enough space for six 2-liter bottles, eight 1-liter bottles, or 24 small cans. You can easily set the temperature via the digital display.