Apply. Ultra lightweight, perfect for travel and car use. The car water heater plugs into any car's 12V cigarette lighter socket. High efficiency. Bring 500ml of liquid to a rapid boil in about 10 minutes. Ideal for heating water, tea, coffee, soup and more. Easy to use. Simply place the water heater on a cup, immerse it, plug it in, unplug it when it reaches the desired temperature, wait 15 seconds and remove it from the liquid. Compact design. These travel-sized immersion heaters are small enough to fit in your pocket, making them a great space saver. Note: Only use thin liquids that are the same consistency as water. Always immerse the heater in water before plugging or unplugging the unit, otherwise the safety fuse will blow. Specifications: Type: Car Beverage Warmer Material: ABS, Copper Color is black Input Voltage: DC 12V Encapsulation: 1 * Water Heater 15*6*4CM