For particularly versatile cooking convenience. 4 Completely Sealed Burners. Fully sealed burners Contain spills and allow easy cleaning and maintenance. Offer easier and safer cooking, preventing children from reaching over hot burners to adjust their temperature. It provides improved performance and elegance, giving it a luxurious look and feel. No need to press or hold the control: convenient rotary electronic controls switch the burners on. In case of an excessively long operation, the gas shuts off automatically. Allows pots to move effortlessly from the burner without lifting. Removable wok ring included to securely hold a wok over the flame while cooking on the side burner.