Univa UGH641S Gas HobInstantly controllable heat. No electricity needed! Reduce your electricity bills. Save money. Heat your food and not the planet. High efficiency gas burners use 25% less energy and decrease cooking time by 35%. The flame failure safety feature terminates the flow of gas to the burner if the flame extinguishes. A high power wok burner gives you an evenly dispersed flame for great cooking results. Battery ignition helps you ignite the burners without