Under the sleek, glass surface of this 30-inch GE electric cooktop are four (4) radiant ribbon burners that tackle any meal with ease. There are two power burners for rapid boiling; the front-right burner and the back-left burner. The front-left burner and then back-right burner are set up for simmering or low-temperature cooking of delicate sauces. The infinite switch knobs add a nice accent to the cooktop smoothtop surface. One knob is a control lock setting as a safeguard against children accidentally turning on a burner. Red lighting indicates when the burners are hot for added safety. Thanks to GE FIT Guarantee, modernizing your kitchen just got easier. GE cooktops are guaranteed for an exact fit to make replacement easy. Refer to the Fit Guarantee document for full details.