Hot air oven outer body made of CRC sheet duly powder coated paint finish, inner stainless steel digital controller cum indicator for temperature setting (PID) capacity 25-50 liter working temperature range 70-250 c heat adjustment 1c digital display system digital temperature control system power 220-240 50hz internal chamber stainless steel adjustable safety thermostat two shelves made of stainless steel optional accessories like silicone gasket, air circulating fan etc.