Airflow Control, The 4K’s unparalleled airflow control system makes turning the heat up or slowing it down a unique experience. Both top and bottom vents are precisely numbered for a more balanced and responsive flow of air. The Anatomy, The 4K has all the hardware you need. 2 x matte vitreous enamel grills; 2 x 304 grade stainless steel grills; a 12.99 in cordierite pizza stone / heat deflector; water container; internal light; grill tongs; and charcoal tongs are all included. Sealed, Safe and Sound, Striking both inside and out, the 4K is a solid machine constructed from diecast aluminum and thick gauge metal. Our unique insulation design reduces heat transfer to the external body sides and front. Real Time Results, With 2 discreet probes in the hood and 4 removable probes internally, the 4K takes outdoor cooking to another level. Displayed beautifully, all data can be accessed via bluetooth to our free app which is also packed full of hints, tips, recipes and alerts. Touch Glass, Get Flame, The 4K's outer body is complete with touch glass display; putting fire at your fingertips.