From The Manufacturer
Prisoner Tray Server, heated & refrigerated, two-section, (78) 9" x 11" or (108) 7" x 9" tray capacity per cavity, 90°-190°F temperature range (heated cavity), 33°-38°F refrigerated cavity), adjustable thermostat, tamper resistant controls, thermal insulation, wraparound bumper, 18 gauge stainless steel exterior, 22 gauge stainless steel interior, 6" casters (2) rigid & (4) swivel with brakes, UL EPH Classified