Tera 400ml Stainless Steel Electric Heat Cup Kettle Keep Warm 12V Boling Water with Car Adapter for Car Auto Vehicle Driving with Tera Dust Cloth 10 mins heating water to boiled (The actual heating time may be influenced by environmental temperature). One button for opening, convenient and safe for driving. Equipped with security lock, double insurance. With heating and keeping warm double functions. Package includes car adapter for heating water easily Suitable for Drivers, business man or any other kinds of people who need long time driving trip. And almost all types of cars.