Unique design allows the unit to be used as a warming tray or with 3 serving vessels to act as a buffet server; Serving vessels are 2.5 qt. each; Stainless steel frame holds the 3 buffet trays in place; Stainless steel buffet trays keep food and liquid warm for up to 3 hours; Removable see-through lids with cool-touch knobs; Integrated spoon notch in lids ensure serving spoons rest comfortably with lid in place; Dishes can be placed directly on the stainless steel warming plate to keep prepared food warm; Adjustable temperature control; Power-on indicator light; Cool-touch side handles;