1. viewing window allows monitoring of food without losing heat 2. convenient flip up warming rack for grilling larger meat 3. cast iron cooking grates 4. large CLD controller with cooking read outs 5. Easy connect BBQ APP via bluetooth to track meat progress and search recipes using the mobile APP 6. 4 locking swivel casters for easy movement. 7. 513 sq inches of cooking space (386 sq inch for main cooking area, 127 sq inch for warming rack) 8. Clean out ashes easily and quickly 9. Pellet smoker with 30lbs hopper for wood fired taste 10. pellet hopper viewing window to easily monitor fuel level 11. 1pc meat probe included