Features Digital LED Microprocessor temperature controller with Hi/Lo audible and visual alarm Remote alarm contacts Adjustable temperature control range: -30?C to -40?C, factory preset at -35?C Continuous product temperature display Product sensor with glycerin bottle Power supply switch Exterior cabinet front, sides and back are painted white Exterior cabinet top and bottom are galvanized steel Interior cabinet liner and interior door panel are painted white Cabinet and solid door are foamed- in-place with CFC free high density polyurethane foam insulation Heavy duty door pivot hinges Centered key door lock (2 keys) Full length door pull handle Four casters (2 locking) 3 epoxy coated wire shelves Perimeter anti-condensate door frame (temperature selectable) heater wires Magnetic door gasket Air cooled condensing unit Top mounted forced air refrigeration system Automatic defrost and condensate evaporation UL, C-UL listed Warranties: 18 month parts and labor, 5 year compressor (US and Canada), 18 months parts (International)