HOME AND CAR USE: AC adapter and DC connection cable are included in the original package. This portable refrigerator can be connect with a solar system as well and has a good performance in a energy limited condition.NO ICE NEEDED: Powerful compressor to reach 0°F from 50°F in a short time, this portable refrigerator can adjust the temperature be a fridge or freezer.MAX & ECO MODE: This function allows the compressor speed to be slowed down to increase operational efficiencies(ECO) or increase the compressor speed to provide 'quick' cooldown times(MAX).ENVIRONMENT FRIENDLY: With Setpower, you can get a 12v fridge with a similar function to compare with a name-brand but value price.3-LEVEL BATTERY PROTECTION: AJ series is equipped with a 3-level battery monitor to prevent the fridge from draining your vehicle's battery.