PreciseAir™ convection system: A reversing fan circulates heat and air for evenly browned and baked foods, Convection roast (lower oven only): Optimal for larger cuts of meat, this setting rotates the heat around all sides, sealing in the juices, producing rotisserie results at up to 25% faster than a conventional oven, Extra-large oven capacity (lower oven only): Ideal for special occasions and big meals, the extra large oven interior allows more to cook at once, Self-clean oven (lower oven only): Self-clean allows you to spare yourself from the trouble and effort it takes to scrub the oven interior, Electronic oven controls (lower oven only): Electronic pads on the control panel are easy to operate with just a touch