COMPACT MINI FRIDGE: The AstroAI mini fridge is a small fridge to store foods, drinks, beer, snacks, breast milk, makeup and skincare. It is ideal to use anywhere in your bedroom, office, dorm, travel, boating, camping and so on 4-LITER CAPACITY: Store 6 can/12 oz with ease; Inner dimensions are 5.5?? x 5.3?? x 8.07??; The removable shelf makes small items like breast milk, skincare, cosmetic, or food easy to separate. AC/DC ADAPTERS: You can connect the compact refrigerator to a 100-120V home power supply, or you can connect to a 12V car power supply; NOTE: Make sure to only run your cooler/heater while your vehicle??s engine is on or you risk draining your vehicle??s battery ECO-FRIENDLY ENGINEERING: Semiconductor refrigeration chip is freon-free and environmentally friendly; Quiet technology keeps sound at a minimum ( 25dB ), so you can rest easy COOL TO WARM: Cool up to 32-40?H(18-22??) below ambient temperature, keep warm up to 150??F (66??C). CE, FCC, ETL, RoHS certified; If you have any dissatisfaction with your product quality, please reach out to us immediately