Compact Design and 30 Liter Large Capacity: It can hold up to 40 soda cans and and can fit 5 tall bottles(2-Liter) as well. Note: It would better for refrigeration to add more ice cubes before plug the power. 2 Temperature Settings: Cool down to 41°F-59°F ?if the ambient temperature is 77°F?, or warm up to 140 °F Easy to Carry: Adjustable built-in extension bar for easy portability, great for short or long haul road trips, camping or even in the house. Super low-noise design: The working noise is less than 35 dB. A perfect item for family road trips or anyone who spends a lot of time driving and gets hungry and thirsty on the road Simple Operation: You can use it by simply plug it into your vehicle's 12v DC cigarette lighter outlet