Ceramic Glass Cooktop - A smooth cooktop surface makes cleaning quick and easy. Ribbon Heating Elements - Provide powerful heat beneath a smooth glass surface to ensure even heat and fast warm-up times. Dual Size Ribbon Element - Offers a convenient choice of using a 6 in. or 9 in. heating element depending on the size of the pan. Frameless Design - A smooth and seamless cooktop surface makes cleaning quick and easy. Hot Surface Indicator Lights - Illuminate when the cooking surface is active and hot adding convenience and safe caution. Heating Element On Light - Illuminates when the cooking surface is activated.