Double walled in construction. Interior is made of 304 quality stainless steel and the exterior is made of Mild Steel Sheet finished in non-corrosive paint. The walls are insulated with a thick layer of glass wool on all sides including the door frame. Inner chamber has plexiglass door. A hermetically sealed compressor is provided. The Temperature ranges from 5oC to 60oC, which is controlled by a Microprocessor based PID Controller with an accuracy of ± 0.5oC. Supplied with removeable shelves. Electrically operated on 220/230V A.C. mains.