Feature 1You can keep cool or heat your drinks by switching the mode, suitable for heating various materials, aluminum, iron, plastic, glass, etc. 2The car cooler warmer cup holder uses ABS+ environmentally friendly aluminum material, compact design. 3Applicable to use of DC12V a vehiclemounted power supply and household adapter. 4One cup suitable for the whole four seasons, economical and practical, also a good helper for trip. 5Specially added a base to facilitate the use of cars with low height of the cup holder to ensure good cooling effect.Item Type: Warmer Cooler Cup HolderMaterial: ABS + AluminumHeight: Approx 166mm/6.54inBottom Diameter: Approx. 75mm/2.95inRated Voltage: DC12VRated Power: <36WRated Current: <3AWorking Environment Temperature: -20-60Mute Index: <40dBTemperature Control During Heating: 585Cooling Temperature: Product temperature can be reduced to -3-2Function: 2-in-1 heating and cooling cupFitment: UniversalPackage List: 1 x Warmer Cooler Cup Holder1 x Base1 x Car Charger1 x Manual Note1. Please allow for errors due to manual measurement2. Power must be turned off in flammable environment.3. Suitable for using DC12V vehicle power supply, family adapter.