• Maximum coding performance: 15-25 degree celsius below ambient temperature.. • heat up to 65 degree celsius by set-point thermostat.. • power consumption: 45-60 watts.. • convenient-simply plug into any 12v cigarette socket in car.. • can be used in the home or office by plugging into a ac 100-110v or 220-240v outlet .. • it is very convenient due to its small size and eliminates the need for ice or ice packs.. • perfect for storing cans of soda, baby bottles, sandwiches,beverage,cosmetic. If you want to know more information,please contact wendy