Function: Cooling and heating function 2 in 1, the car smart cup holder can cool or heat your beverage as you need. The heating effect is 50 - 60 ℃; the refrigeration effect is 0℃-5℃, the beverage will be cooled or heated in a few minutes, and the smart LCD screen displays the temperature Multiple scene use: small multi-functional cup suitable for cars, can be used in 99.99% of cars. Smaller than traditional beverage refrigerators, more suitable for individuals or families to use while driving, outdoor work, and resting on the road. In summer, you can enjoy cold drinks or beer at any time. In winter, drink a cup of hot coffee anytime, anywhere. You can also use it when your needs a bottle of warm milk on the go. Suitable for commuting parties, picnics, coffee lovers, Christmas, Thanksgiving, birthdays and other best gifts Easy to use: Adopts the principle of semiconductor refrigeration and heating, and heats and cools through bottles containing beverages and water. One-click heating or cooling, insert the adapter of the cup into the cigarette lighter. It takes a certain time to cool down, about 10-15 minutes, and the cooling time of metal-packaged beverages is slightly shorter than that of beverages packaged in other materials. The longer the time, the better the cooling effect High-quality materials: This car cooling and heating cup holder is made of ABS + aluminum alloy material, with simple design and easy to use one-button cooling and heating. Colour:As Shown Material:ABS+Aluminum Alloy Package Contents: 1 * Host 1 * DC12V cigarette lighter car charger 1 * Special coffee cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.