The Nemco Shelf Merchandiser is a 30 x 19-1/2 x 24" unit made with an aluminum dissipater plate. 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 coated in black powder coat. It operates on 120V/60/1ph with 12.2 amps and 1460W. This merchandiser is NSF, UL, and CUL certified.