Car cooler & warmer cup 1.For both keep cool and warm 2.Support home use and 12v cigarette plug Car Cooler and Warmer CupApplication: car, office ... , 110V - 240V (optional:adapter) Power: 48WSpecificate:ø88mm,H150mmWith stainless steel cup (0.33L).Heating or Cooling 300ml water needs 10-20 ... water, can drinking, coffe, milk or baby food, etc. Car Cooler & Warmer Cup