Features: 1) Cold and heat are transferred through coated aluminum liner 2) Heat dissipation to outside by fan with long life brushless motor (30,000hrs) 3) Convenient plug into any 12V cigarette lighter in car, boat or a standard wall outlet in home, dormitory and office Specification: 1) Volume: 8 litre 2) Performance: Cooling to 20oC - 25oC below ambient temperature; heating to +65oC by set-point thermostat 3) Material: ABS plastic for external; solid polyurethane foam with CFC-free for insulation 4) Optional: AC / DC or DC only 5) cap4.5 litres (5 Cola Tins).