Compact Mini Refrigerator: Mini Refrigerator is a small refrigerator that is perfect for use in bedrooms, offices, dormitories, travel, boating, camping, and anywhere else. 4-liter capacity: Dimensions are 5 inches x 5 inches x 7.85 inches. AC/DC adapter: You can connect a small refrigerator to a 100-120 volt home power source, or to a 12 volt car power source. Cool to warm: Cool the temperature to 32 F (18 C) below the ambient temperature, or maintain the temperature at 150 F (66 C), 86 F (30 C) -64 F (18C) within one hour, 86 F [30 C] -50 F [10 C] within 2 hours, and 86 F [-37 F [3 C] within 3 hours. If you have any dissatisfaction with the product quality, please contact us immediately. Date First Available December 19, 2023