The best laboratory refrigerator and freezers should meet the demand of the lab material storage requirements. First, the lab fridge and freezer need to come with the feature of high-precision temperature control, ensuring it can reach ±1℃ precision. Second, the internal and external materials of the machine must be anticorrosive for security storage. Third, there should be temperature control panel on the refrigerator and freezer for controlling and monitoring the temperature anytime to protect the lab materials. Forth, a lab freezer or refrigerator with lock will be the best choice to prevent unauthorized access.