The same stellar cooling capabilities as our smaller 4L model but with the capacity to hold up to 10 twelve-ounce cans. Exclusive EcoMax Technology features Cooluli's unique cooling system. The Classic-10L is quiet and cost-effective, and goes from cooling to warming with one quick switch. AC and DC adapters are included and the Classic-10L has a top carrying handle making it portable, even when full. All Cooluli thermo-electric coolers/warmers are environmentally safe; they feature an advanced semiconductor operation, making it refrigerant- and Freon-free.