Satin Black hard coated aluminium finish with flush mount, for a smooth professional finish, includes remote temperature controland ON/OFF switch.Ideal for use on pass-through areas, buffet lines and as hors d oeuvre displays. They feature a thermostatically-controlledblanket-type foil element heated surface to help hold your food hot and delicious with consistent temperatures across the shelf.Adjustable thermostat controls allow surface temperature for the GRSBF to range from 27 to 82 C.