1. Foamed-in-place high density polyurethane insulation. 2. Automatic Fan assisted condenser. 3. Mechanical temperature controller. 4. Safety shielded fluorescent interior. 5. Adjustable vinly coated wire shelves. 6. Automatic to heet for evaporating water condensed. 7. Interior and exterior are white cold colored steel. 8. PVC-Clad doors,heated safety glass doors. 9. Completely sealed, low noise compressor. 10.Equipment the lock. 11.Show picture to install Light tube at upper part. Warranty: One year all parts,6 years on compressor.