The Roadtek cooler box is dual voltage, accepting either 12 or 24 volts. It has been designed with a simple cooling mechanism for increased reliability without loosing the performance. This makes it capable of cooling to 20 degrees C below the ambient temperature or can be set to warm its contents to a thermostatically controlled 65 degrees C. The 24 litre capacity is perfect to hold everything you require for a couple of nights on the road, it will even take standard 2 litre bottles standing up. Made from durable materials the Roadtek coolbox will be your ideal companion on the road.