12 Liter 12V 240V Portable Electric Cooler Box Car refrigerator Mini Fridge for Transportation. What is the range of ambient temperature? Cold life at 30°C ambient temperature(subject to customer requirements). UP to 48 hours from close of lid to 8°C;UP to 4 hours from close of lid to 10°C.What are the main components? Highly efficient insulation systerm, incorporating a double insulated removable liner. Can I have a sample order for testing? Yes, we welcome sample order to test and check quality. Is it OK to print my logo on the products? We have many printing options. It will take about 15-30 days. But the exact time is according to actual situation. This item is in the category "Home & Garden\Major Appliances\Refrigerators & Freezers\Mini Fridges". The seller is "yydp5113" and is located in this country: CN. This item can be shipped worldwide.