Double walled, Inner Chamber S.S. Outer Body M.S. Insulation between inner & outer wall with polyurethane foam (PUF) to reduce running costs.Temperature available in 5 i.e. -20°C, -30°C, -40°C, 70°C, -80°C (IN AC) in variation of ± 1°C. Temperature Controller is totally microprocessor based P.I.D. controller or Digital Temperature Controller cum Indicator controlled for accurate temperature rating. Shelves: Stainless steel perforated/wire road shelves adjustable and sliding. Door with synthetic rubber gasket. Power input to be 220-230 Volts AC, 50/60 Hz fitted with Indian plug.