... electric controller. Various excellent thermal insulation material for your choice :PU,XPS or EPS . 3. Using Color Steel ,stainless steel or embossing ... degree,optionalPurpose of cold roomfruit,vegetabke,drink,wine,flower,fresh/frozen meat,seafood etcRefrigeration unitCopeland/Bizter/Sanyo/Danfoss etcRefrigeration typeair cooled ... /50HZ,220V/60HZ,380V/50HZ optional large air blast freezer for fruit