Usual double wall fabrication. Interior chamber fabricated from richly anodized aluminum or extremely polished stainless-steel sheet and outer produced from thick delicate metal completed in white stoving enamel/powder covered paint with mat completed color combos. Double wall door with double glass window for remark within the chamber. Temperature vary 5º C above ambient to eightyº C ± 1º C managed by means of a thermostat. The gear is viable on 220V Ac 50 Hz single segment.