Double walled inside made of Aluminium/ Stainless Steel Sheet. The outer body is made of thick Mild Steel Sheet and painted in Epoxy Powder Coating. Having thick mineral wool insulation between the two walls. Synthetic Rubber Gasket is provided on the door for better grip. The temperature is controlled by a Precision thermostat variable upto 60 º C with a sensitivity of plus minus 1 º C. To work on 220/230 Volts A.C. only. Supplied complete with shelves, indicators, wire and plug but without thermometer. This incubator has double door outer is metal door and inside is glass door in stainless steel frame. There will be no glass window outside. If, you require glass window outside please specify while placing order. In this Case we shall not provide inside glass door.