Truma Coolers are designed for any adventure, keeping food and drinks ice cold or frozen, and are suitable for every kind of vehicle. Whether bringing chilled drinks to an after-school soccer practice or heading out on a week-long camping trip, the electric Truma Cooler can be used as a refrigerator or freezer and is available in a wide variety of sizes and series. Just grab your phone and you can control the temperature and various other features using the Truma Cooler App, available for Android and iPhone. You can also charge your phone or other USB devices via the USB charger conveniently located on every Truma Cooler portable fridge/freezer. The Truma Cooler Portable Fridge/Freezer! Tough enough to survive any adventure!