DESC: The General Electric JES1290SK Stainless Steel 1000 Watts Convection / Microwave Oven has a capacity of 1.2 cu. ft. and 10 power levels.The General Electric JES1290SK Stainless Steel 1000 Watts Convection / Microwave Oven has a capacity of 1.2 cu. ft..GE is one of the largest manufacturers of major appliances in the world, producing Monogram, GE Profile Performance, GE Profile, GE and Hotpoint brands as well as several private-label brands.