[450Ml Capacity]: 450ml capacity electric cup, ideal for family travel, good electric thermos for camping trips to keep coffee warm. Electric kettle powered by DC 12V cigarette lighter socket power source, universal for 12V power supply cars, allowing you to drink latte on the road [Insulation]: Internal and external electric thermos cup using vacuum insulation technology, double-layer vacuum insulated to keep drinks hot to the maximum, good insulation effect to prevent burns. Car coffee cup warmer fits most car cup holders, ideal for travel use [Easy Use]: The car coffee cup designed with an indicator light can understand the working status of the electric cup. Easy to use, just pour the water into the cup and then connect it to the car 12V power source with the cigarette lighter cable [Safety Non-toxic Material]: The car heating cup is designed with premium 304 stainless steel and food-grade materials, safe to drink boiled water. Sealed kettle cover made of high-quality silicon gel,