Pack of 5 - Smart 12V water Kettle Take any 12V DC power with correct adaptors; standard come with a Car Cigarette lighter Adaptor Aluminum base, Can be attached to the Car. Great for Cars, Trucks, RV Boat with 12Volt output. Takes average 25-35 minutes to cook a pot of hot water. Capacity: 700mL ; Approx. 23OZ