... Fault detection 4. Emergency switch 5. Mini frequency conversion Mini Portable Car Refrigerator /Car Fridge/Car Freezer/Car Cooler Specification1.Model ... apply ( for example CE/E4/EMC etc.) Feature1.Mini portable,light weight,environmental protection ,leading fashion trend.2.Luxurious appearance ... . Application field Outerdoor, bussiness , household ,automobile,medical, aviation and navigation etc.