Tech Tools Heated Smart Travel Mug with Temperature Control 16 Ounce, 12V Adapter - Stainless Steel PLEASE NOTE: the mug is intended to keep your beverage warm at your desired temperature and to heat up lukewarm drinks but not to boil cold drinks, During transit the AC adapter is placed inside the mug to protect the item. PLUGS INTO YOUR CAR CHARGER Take this self heating travel mug along with you anywhere and use the 12 volt charger in your car to keep it warm to and from work, school and other locations. HELPFUL ANALOG INDICATOR With this travel mug, heat levels will be indicated on the nifty analog indicator. NON-SLIP RUBBER BASE Don't worry about this heated coffee travel mug getting knocked over on the desk or in the car; it has a rubber base designed to keep it upright. 12V Auto adapter included / Recommended For Auto use only 16 oz. capacity Stainless Steel and Leak Proof Heats your liquid to temperatures between 85 and 160 degrees fahrenheit Alerts user when ideal preset temperature is reached Displays temperature on the LED indicator 12V Auto adapter included