Description: 【Car Heating Cup】: Portable Travel Kettle with automatic heating function and temperature display, constant temperature design, and LED screen to display the temperature in real time 【Large Capacity】: The Smart Heating Car Cup is great for boiling, tea, milk The actual capacity of cold water is 480ml. The capacity of boiling cold water into hot water is about 450ml 【Occasion】:Travel Mug for cars is great for traveling, camping, drinking coffee and giving gifts 【Portable】: The 12V 24V Heated Water Boiler is portable, you can carry it with you, leakproof 【Material】: The Electric Kettle is made of stainless steel, which is high temperature resistant, great, easy to clean   Specification: Cold Water Capacity:480ml Hot Water Capacity:450ml Note: If the product does not work, it may be due to vehicle current limiting. Please press the up and down keys simultaneously to enter the fast heating mode. If it still does not work, please try another car lighter port. Size Chart: 7cmx22.5cm/2.76inchx8.86inch Package Includes: 1 Car Heating Cup 1 Charging Cable