Please note：The voltage at which this refrigerator works:Use at home : 220V (110V is not working properly)Car: 12V works perfectly★Feature1 - 2-8 ° C Drug Storage：The most suitable storage temperature for most drugs is 2-8°C, and too high or too low temperature can affect the efficacy of drugs， In particular, drugs such as insulin and vaccines, this professional refrigerator can be well resolved this problem,3 - Intelligent temperature control system: LCD panel, you can clearly know the temperature inside the refrigerator. Temperature adjustment button, you can easily set the temperature you need4 - USB interface: You can use the refrigerator to charge other devices★Product specificationsMaterial:- Environmentally friendly ABS, food grade materials- One-piece all-aluminum liner- Polyurethane insulation layer, SBR thickening type sealing strip, good insulation effect,- Size: External dimensions: 36x28x30cm, internal dimensions: 28x18.5x22.5cm- Cooling principle: semiconductor refrigeration，★ Package includes1x Portable Refrigerator，1x instruction manual,☎ If you have any questions about this product, you can contact us by email and we will reply you within 24 hours,