Temperature range from 5°C to 50°C. Temperature controlled by Digital temperature indicator cum controller in the variation of ±1°C. Chamber with 14 perforated trays. Chamber is provided with a stainless steel water reservoir at the bottom. Humidity from 90 to 95% ±3 % (not adjustable) Double-walled inside made of anodized Aluminium/stainless steel and outside Mild steel painted in epoxy powder coating. To work on 220/230 volts 50 cycles A.C. only. For cooling a sealed compressor unit has been provided below the chamber to work independently.