Specifications: Easy to use, one-button to switch. 2-in-1 design, can be used for cooling or heating drinks. It allows you have a cold drink or a hot coffee anytime.Item Name: Car Cooling CupRated Voltage: 12VRated Power: 36WCooling (-2 Degree Celsius to 0 Degree Celsius): within 30minHeating (58 Degree Celsius): 3minRated Current: 3AEnvironmental Temperature: -20 Degree Celsius to 60 Degree CelsiusPower Supply: Car LighterFeatures: Cooling & Heating, Electric, Easy to UseColor: BlackMaterial: plasticStyle: B-without display temperaturePackage Contents:1 x Car hot and cold cupOnly 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.