Outer wall is made of M.S. sheetduly finished in white stoving enamel/powder coated paint with mat finishedcolor combinations and inside of stainless steel. The gap between inner andouter wall is filled with high grade mineral glass wool. Temperature range fromambient to 70 C is controlled by thermostat with an accuracy of 0.5 C. The unit is provided with manualtilting device, so as to tilt the tray holding the eggs. To work on 220/230volts A.C. supply.