1. Foamed-in-place high density (CFC free) insulation. 2. Automatic fan assisted condenser and evaporator. 3. Easy to read exterior mounted temperature monitor. 4. Automatic defrost system. 5. Self-Contained System. 6. Swing stainless steel door. 7. Self-closing doors. 8. The computer temperature control. 9. Automatic electric condensate evaporator. 10.Interior and exterior are stainless steel. 11.Built in door lock, easy to manage. 12.Install four casters,two lockable. 13.Frozen express, ice crystals small. 14.Compressors and fans with low noise. Warranty: One year all parts,6 years on compressor.