Blue Led Illuminated KnobsDistinctive Blue Led Lights Illuminate When The Cooktop Is In Use. Wi-Fi ConnectivityMonitor Your Cooktop From Anywhere. Rapid BoilPowerful, Controlled Heat Source That Quickly Boils Water Or Maintains A Simmer. Flexible CooktopBoil, Melt Or Simmer With The Quick Flexibility Of Five Burners: One Triple, Two Double, One Single And A Warming Burner. Hot Surface Indicator LightA Light That Stays On Until The Surface Is Cool Enough To Touch, Makes Cooking Safer.