80W High Efficient Heating Technology:Portable Electric Lunch Box Food Heater Is Designed To Circulate Heat To Keep Your Food Nutritious And Fresh.It Normally Takes 20-30 Minutes To Warm The Food, Super Efficient And Energy-Saving.If The Food Is Taken Out From The Refrigerator, The Heating Time Should Be Extended Appropriately | | 12V/24V/110V:Heated Lunch Box For Work Supports 110V Home/Office 12V Car And 24V Truck Use. From Now On, You Can Enjoy Hot Meals Anytime And Anywhere With Our Electric Lunch Box ! Refuse To Wait For Takeaway And Wait For The Microwave