{Compact Design and 7 Liter Large Capacity}---It can hold up to 12 soda cans and and can fit tall bottles as well. {2 Temperature Settings}---Cool down to 36.5°F-41°F ?if the ambient temperature is 68°F?, or warm up to 140 °F {Super low-noise design}---The working noise is less than 35 dB. It is perfect for keeping food and drinks cool or warm while on the road. {Easy to Carry}---Adjustable built-in shoulder strap for easy portability, great for short or long haul road trips, camping or even in the house. {Simple Operation}---You can use it by simply plug it into your vehicle's 12v DC cigarette lighter outlet (Car & Home Dual-use).