4 cast stainless steel burners (75,000 total BTUs). Lifetime warranty on cast burners. 304-16 gauge commercial grade stainless steel construction. XL temperature gauge. Double layer seamless welded stainless steel smoker head with polished edges. 830 sq. in. of cooking surface. 5 Lion Quick Lite valves. Adjustable warming rack. Infrared rotisserie back burner. Stainless steel light switch. 2 interior lights. Premium solid stainless steel cooking grates. 5 commercial size push-to-turn knobs.