1. Foamed-in-place high density polyurethane insulation. 2. Direct cold, food is not dried. 3. Mechanical temperature controller. 4. LED lighting,display better. 5. Interior is anodized aluminum. 6. Exterior are white cold colored steel. 7. Self-closing Three pane thermal glass doors. 8. Fan assisted condenser. 9. Low noise compressor. 10.Design life 15 years. 11.Equipment the lock. 12.Adjustable vinly coated wire shelves. 13.Maximum ambient temperature under 30. Warranty: Two years all parts,6 years on compressor.