KEEPING 12V Stainless Steel Travel Car Cigarette Plug Heated Cup Hot Water Drinks Mug Coffee Tea Heater 1.Plugs directly into lighter/power socket 2.Vehicle power supply DC12V / 24V ( cigarette plug ) 3.Heating temperature: 100C 4.Slippery resistant base, it will not slide easily when used in the car 5.Capacity: Approx. 300 ml