Sync ElementsCombine Two Elements At Once To Easily Cook With A Large Pot Or Griddle. Digital-Analog ControlsChoose Between A Removable Magnetic Knob Or Digital Touch Controls For More Flexibility. Wi-Fi ConnectivityMonitor Your Cooktop Or Control Your Hood From Anywhere.* Bluetooth ConnectedBluetooth Automatically Syncs Fans And Lights With Cooktop Burners. Rapid BoilPowerful, Controlled Heat Source That Quickly Boils Water Or Maintains A Simmer. Hot Surface Indicator LightA Light That Stays On Until The Surface Is Cool Enough To Touch, Makes Cooking Safer.