Description: Car Heating Cup: Car kettle boiler coffee cup with automatic heating function and temperature display, multi layer protection, constant temperature design, long lasting heat preservation, and LED light to display the temperature in real timeMaterial: The Electric Kettle is made of stainless steel, which is high temperature resistant, easy to clean, and has a long service lifeLarge Capacity: The Smart Heating Car Cup is the size for your travels, a travel cup with the right capacity to meet your needs every time.The actual capacity of cold water is 500ml. The capacity of boiling cold water into hot water is about 450ml12V or 24V Universal: Electric hot water cup for cars, small diameter water outlet, convenient for school, travel, camping, coffee and gift givingFashionable Appearance: The Heated Water Boiler is small, portable, and , you can carry it with you, and the electric kettle looks stylish and beautiful Specification: Cold Water Capacity: 500mlHot Water Capacity: 450mlNote:If the display screen is not bright and the product does not work, there are two possibilities:1. It may be overheated due to continuous water boiling. Wait for about 5 minutes before using it 2. Water has entered the base plate. Wait for 1to2 hours before using it. Size Chart: 22.5cmx7cm or 8.86inchx2.76inch Package Includes: 1 Car Kettle Boiler