The Nemco Shelf Merchandiser is made of aluminum dissipater plate and measures 18 x 19-1/2 x 21-7/8". It features a horizontal dual shelf design with independent heat and light controls per shelf. The sides are made of tempered glass and it has adjustable thermostat control and divider rods. The exterior is made of stainless steel. It operates on 120V/60/1ph with 7.2 amps and 860W power. It is equipped with a NEMA 5-15P plug and is NSF and cETLus certified.