KitchenAid KBHS109BSS Convection cooking provides more even results in less time and provides a second oven option EasyConvect(TM) Time and Temperature Conversion System takes the guesswork out of convection cooking Optimawave(TM) Technology with True 10-Level Power Control Custom defrost and reheat cycles remove guesswork from microwave cooking Keep warm function allows you to keep finished dishes warm until serving time