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24" heated countertop display shelf; Stainless steel construction with smooth top and welded corners; Aluminum core provides even heat distribution; Rope-style heating element for even heating and long life; Thermostatically controlled; (2) zones, front & back, and left aligned (controls on left); 33% to 66% energy savings during off-peak times by only heating zone that is needed; Front zone is 13.4 " W, back zone is 6.6"W, and total height is 2.7" (with 1" foot); Includes cord and plug (NEMA 5-15P); 1 year warranty; UL listed; NSF certified