USE FOR:. CAR TRAVEL / OFFICE OR CONSTRUCTION SITE HOME BAR / POOLSIDE BANQUET CAMPING AND PICNIC/ONE STUDENT DORMITORY, RESTAURANT / YACHTING, FISHING CAR OR TRUCK CRYOGENIC DRUG STORAGE BABY MILK PREPARATION AND FOOD INSULATION FOOD TRUCK FOR BUSINESS USE THE SEMICONDUCTOR HOT AND COLD BOX IS AN ELECTRONIC REFRIGERATOR, NO A FREEZER, AND CANNOT BE COMPARED WITH A HOME REFRIGERATOR..