Aotto electric food warmer is a compact, portable bag with convenient carrying handles. Ideal for office use, car travel, or long-haul truckers, this portable oven evenly heats food without drying it out, preserving moisture and nutrients. It can be connected to 12V, 24V, and 110V power sources and features automatic temperature control. Simply select the desired heating mode, which maintains the set temperature for a specified time. It can also function as a regular insulated lunch bag. The heating compartment is designed to accommodate lunch boxes made of glass, metal, foil, stainless steel, cardboard, or ceramic. It opens and closes quickly with a zipper.