?Faster And Safer Heating? Portable Oven Features An Upgraded Heating Design, Ensuring Even Heating And Faster, Safer Results. For Instance, Heating A Stainless Steel Lunchbox In The Portable Food Warmer Takes Approximately 25-35 Minutes. (Note: Heating Times May Vary Slightly Depending On The Material Of The Item Being Heated.) | | ?Wide Compatibility? Coated With Food-Grade Teflon, The Portable Food Warmer Surface Prevents Food From Sticking, Facilitating Effortless Cleaning. It Is Designed For Direct Heating Of Various Materials Including Glass, Aluminum Foil, Stainless Steel And More, Offering Unparalleled Versatility. (Note: Plastic Materials Cannot Be Heated Due To Melting Risks.) | | ?Universal Power Supply? Featuring Two Power Cords Supporting 12V, 24V, And 110V, Our Portable Oven Is Ideal For Both Indoor And On-The-Go Use, Offering Greater Versatility Than Standard Heating Machines Limited To Specific Environments. Enjoy Seamless Convenience Whether You'Re Worki.