Princess International Smart Mug With Temperature Control Red - PI168R Takes your drink from ice cold to very hot in your car and on the road. Heats liquids to selected temperatures from 85 to 160 degrees Alerts the user when ideal preset temperature is reached. Monitors the temperature of the liquid and displays status on the LED indicator. 12V auto adapter included. Dishwasher safe removable inner mug. Size 16 oz.