Authentic Professional AppearanceStainless Steel With Smoothly Finished Edges And Large Electronic Control Knobs Sealed, Dual-Flame Stacked BurnersDeliver A Full Spectrum Of Heat Settings, From An Ultra-Low 140(Degree) F Simmer To An Intense 18,000 Btu Electronic Ignition With Automatic ReignitionEnsures A Continuous Flame And Reignites Automatically If Accidentally Extinguished Reversible Burner GratesFlat On One Side And Uniquely Contoured On The Other To Accommodate Round-Bottom Woks