Siemens 4-Burner Built-In Ceramic Hob, ET975FKB1Q comes with HighSpeed ceramic glass with front facette & side profiles Control the temperature by entering it directly or by moving the slider with touchSlider control 28 cm two-ring cooking zone can easily accommodate large pots Safely shuts off the cooking zones once dish is ready with timer Prevents unintentional switch-on with child safety lock Individual tunable energy consumption display for energy efficient cooking Electronic regulation 17 power levels; Min. worktop thickness: 16 mm; Power on indicator light; Wipe protection function This product comes with standard manufacturer warranty