Vollrath triple bay hot food display , 110 volts, set up for a grade school but can be raised on a base of 12" to bring it up to a kitchen work height. On casters. No tray shelf with this unit.46" wide, 24" deep, 27" high to the work top. Last one I have for sale. Touch control thermostats for each bay. Bill 518-282-9818 or 802-683-6813 .