Input voltage Car Cigarette Lighter DC12 V,Power 80W&120W Optional</br>The safety of materials,type 304 stainless steel,food-grade silicone</br>Boil water in the car,automatic work,vacuum insulation cup body is not hot</br>Digital temperature display,Keeping Warm Customize temperature freely</br>Cup capacity:348ml ,Minimum size 10.1"X3.1",portable great for work,school,car trips,camping,instant noddles making,tea/coffee making,boiled eggs,baby milk making</br></br>Product Description</br></br>The power default is 120W,If display function code E1/E2/E7(Power shortage),Please select 80W to work<br> Important:Please don't use the cup when car stay in power off.<br> Product Specifications <br> 1. Model Name:heating insulation cup <br> 2. Material:stainless steel 304 <br> 3. Cup capacity:348ml <br> 4. Rated voltage:DC 12V <br> 5. Rated power:80W&120W optional <br> 6. Product net Weight:530g <br> 7. Pack size:310mmx112mmx92mm <br> 8. The water heating time:16minutes,320ml 25 oC-100oC <br> 9. Digital temperature display <br> 10. Thick film heating technology fast heating cup of water, it can increase the heating performance <br> 11. 2-layer 304 stainless steel vacuum cup body,can greatly reduce the cooling rate and streng-then the warm keeping. <br> 12. Food grade silicone rubber used for safety and soft-touch feeling and keep the body warm. <br> 13. Ergonomic design,product design patent. <br>Please read the instructions before you use the product</br><br/>http://www.amazon.com/gp/product/B00H4OYITE