... Flame-out protection system 2.Mechanisms adjuxted device of grill The features of products1.Roast nets slip adjustment:mechanisms ... can easy adjust the height and construction of grill.2.Gas valveUse switch on/off 50000 times with out ... 18unfAccessories with ovenReducing valve,fire-resisting glass,grill,water plate,oil baffle plate Security,Low carbon Infrared Gas Grill/bbq/outdoor built-in gas grill