Warming Shelf Overall Height 2 3/4 in Overall Width 36 in Overall Depth 20 in Wattage 535 W Voltage 120V AC Current 4.5 A Features Durable Rope-Style Heating Element for Even Heating Front and Back Heat Zones Smooth Top with Welded Corners Thermostatically Controlled Unit Minimum Operating Temperature 140 Degrees F Plug Type 5-15 Power Source Electric Standards cULus NSF Surface Material Stainless Steel