Product details of Multifunctional Electric Lunch BoxModel: MS-40Dimensions: 18 x 11.5 x 24.7cmDetachable container size: 7.5 x 13.5 x 6.1cmVoltage: 220VFixed current: 40WLunchbox capacity: 600mlA new generation of portable electric heating lunch box, no odorUsing food grade high temperature environmental materials.Design of fine fashion, the surface cover ad hoc ventilating device, can keep food fresh.Heating and thermal insulation function.PTC heating components using more safe and efficient, energy saving.It consumes very little power to keep your food warm and great.This portable electric lunch box is an electrical device which heats food at room temperature for 30 minutes. This is a new generation of portable electric heating lunch box that doesn't allow odor to be produced. It uses food grade high-temperature environmental materials. With a design of fine fashion, the surface cover keeps food fresh. The heating components provide safe, efficient and energy saving use. It consumes very little power to keep your food warm and tasty.