Design Black-glass Seamless Design Cooktop Design Coordinates with Bosch Ovens and Ventilation Performance Dual Elements the Capability to use Multiple Pan Sizes Bridge Element Accomodates Oblong or Oversized Pans and Griddles SpeedBoost® - Delivers More Power to Speed Up the Cooking Process Convenience PreciseSelect® - Direct Cooking Level Selection - 17 Settings for Precise Control Use the Kitchen Timer to Measure Cooking Time or as a Reminder CleanLock - Prevents Unwanted Changing of Setting While Cleaning Spills Safety Two-Level Heat Indicator - Warns if Cooktop is Warm or Hot ChildLock - Prevents the Cooktop from Being Accidentally Switched On, Locks Temperature Settings if in Use