This Smart Mug will take your drink from ice cold to VERY hot in a flash, in your boat or car. It holds 16 fluid ounces colour and it's made of Stainless Steel Silver. This product offers temperature control, providing you the possibility to select the temperature from 85 to 160ºF. Also it alerts users when the ideal temperature is reached, which is displayed on the LED indicator monitor. A 12V adapter is included.