Hinged lift-off lid is insulated stainless steel with plastic coated pulls. Heavy gauge type 304 stainless steel inner liner is one-piece construction, all-welded, ground and polished. Three working heights available: 34″ standard working height complies with ADA guidelines for accessibility standards. 30″ for middle schools. 28″ low profile for elementary schools and nursing/healthcare facilities. 2 1/2″ thick insulation on all sides, enclosed with galvanized steel outer liner. Liner features coved corners and copper tubing soldered to exterior sides and bottom. Operating temperature of freezer ranges from -10Â°F to 0Â°F. 1/4 H.P., 6.8A, 120V operation wired to a 6′ cord and NEMA 5-20P plug. Quick-release spring-loaded docking device keeps adjoining units together without the use of tools. Fully mobile – standard 5″ casters, two with brake (brake casters on server side). Standard front holly berry red (WilsonartÂ® D307-60) laminate mounted on 18 gauge galvanized subpanel. All units accommodate optional accessories, including tray slides and work shelves.