Temperature up to 70o C. Heating elements are placed in ribs at the bottom and side. Double walled inside Anodized Alluminium I Stainless Steel. The door has synthetic rubber gasket. Outside Mild St..l painted In epoxy powder coating with perforated adjustable shelves, two Indicators and on/off switch. To work on 2201230 volts A.C. with OR without one number Air circulating Fan Digital Temperature Controller Cum indicator. Specially Designed Jg. maintain 37 C temp.