Main grates: 554 sq. in. grilling area with #304 stainless steel grates Two 25,000-BTU Dynachrome? cast main burners Variable-location high-capacity smoker Heavy-Duty rotisserie motor - 80 lbs. Integrated flush-mounted thermometer Double-wall #304 stainless steel construction Cordless electronic 1.5V battery ignition.Warming rack: 278 sq. in. grilling area with #304 stainless steel grate One 14,000-BTU ceramic infrared rotisserie burner Full rotisserie assembly with drip pans Slide out drip pan for easy clean-up Choose model DOBQ3001A for liquid propane (conversion kit also available)