Stainless steel exterior & interior,ATHC-18 holds eighteen(18) 18 X 26 pans,Heating mode with adjustable temperature settings between 90 F and 220 F,.3 clearance between slides,Easy to read LED display,Transparent clear polycarbonate door with 90 stay open feature for loading of product,Humidifying water tray to prevent loss of moisture and preserve food,Fully insulated cabinet with environmentally friendly foaming material prevents heat loss,provides energy savings and environmental protection,Detachable slides and removable control drawer for easy cleaning,6 power cord,Four(4) casters standard two locking,two swivel