SEALON Mug Warmer for Desk with Auto Shut Off Electric Mug Warmer Office Home Use Cup Warmer Plate for Coffee Milk, Tea, Water, Christmas/Birthday Gift

Q: What is wattage for each setting?

I believe it is 16 watts. I have seven of them, they are well worth the investment, if you want hot coffee or tea!

Q: How many temperature levels can be adjusted?

Dear Customer, Sealon Coffee Mug Warmer support three levels temperature for you choose, it's 104℉/ 131℉/ 149℉, intelligent frequency conversion design, so that your coffee always keep in the temperature you set. Please feel free to message us if any questions. Thanks & Regards, Sealon Customer Service Team

Q: Is the heating surface coated in Teflon?

There is no coating on the heating surface. We use oxidation-reduction technology. Black is the color of the material itself. Thank You！

Q: Confirming that it maintains the set temperature not just turn off after reaching the set temperature?

Yes, it does maintain the temperature. It will shut off after about an hour! We have 6 of them, in different locations around the house. Best thing since sliced bread,