Product Name: BLAST FREEZER (BF-1100-30) Working ambient temperature < 35°C Temperature pull down range 25°C to -40°C  (vary with model specification) Intuitive touch control panel – Easy to use Digital Thermostat with temperature display Exterior and Interior constructed with AISI 304 Stainless Steel Wide round edges and corners for cleaning Self-closing door High density insulation with C5 H10 blowing gas CFCS free, R404A refrigerant type High power cooling system to keep quality of goods inside The device defrosting & evaporation of condensate without  the use of electricity Blast Freezer locks the nutritional value, flavors, texture and color of the food it preserves