2 In 1 Mini Fridge Cooler & Warmer - Mini refrigerator with freezer supports refrigerating and heating to store your food and drinks the way you would like! iced drinks/fruit preservation/heating foods are all available. Energy-Saving And Quiet Car Fridge - This electric car fridge cooler specially built with an Energy-efficient thermoelectric cooling system with no compressor, to minimize the vibration effect and noise, it operates very quietly. Compact Convenience - This lightweight 4L mini refrigerator with freezer features a removable shelf, self-locking latch, and portable carry handle- all designed for easy portability. Perfect for bedrooms, offices, camping, fishing, outdoors. Simple Operation - Plug and play. You can use it by simply plug it into your vehicle's 12v DC cigarette lighter outlet (Car & Home Dual-use). NOTICED THAT the voltage of cigarette lighter is generally 24V in a large truck so that you cannot use it directly. Multiple Functions - The compact car freezer is super-versatile. The 4L capacity that can hold up to 6 x 310ml cans. Use it anywhere to store food, drinks, beer, snacks, breast milk, insulin, skincare, and medications.