... 110--220V, 50-60HzSafe, Efficient, Healthy,Multi-Function : convection oven comes with a high qulity glass bowl, it combines the ... electric grill, rice cooker, traditional oven, mircrowave oven, toaster, stewing pot and electric stewing in a one ... element together with the patented internal circulating system, Convection oven transfers heat to food by means of convection, conduction ...