... both keep cool and warm 2.Support home use and 12v cigarette plug Car Cooler and Warmer CupApplication: car, office, homeTemperature ... : Cooling: < 00C;Heating: up to 800CVolume: 300mlVoltage: 12V DC, 110V - 240V (optional:adapter) Power: 48WSpecificate:ø88mm,H150mmWith stainless steel cup (0 ... bottle water, can drinking, coffe, milk or baby food, etc. 12v car Cooler cup