Temperature range ambient temperature to 60°C. Temperature controlled by a hydraulic thermostat with an accuracy of ±1°C with built-in horizontal ‘L’ shape thermometer. The humidity is controlled by Humidistat from atmospheric humidity to 95% with a sensitivity of ±3%. Double walled inside anodized Aluminum/Stainless steel and outside Mild steel painted in epoxy powder coating. The door has glass window. To work on 220/230 volts A.C. Inside water tank is made of stainless steel.