1. viewing window allows monitoring of food without losing heat 2. convenient flip up warming rack for grilling larger meat 3. Stainless steel cooking grates 4. Convenient to prepare side dishes on side burner 12,000 BTU's 5. 4 long lasting ceramic coated burners delivering 42,000 BTU'S 6. 4 locking swivel casters for easy movement. 7. 606 sq inches of cooking space (455sq inch for main cooking area, 151 sq inch for warming rack)