Our incubators are thermostatically controlled by Hydraulic Thermostat ambient to 800C with a sensitivity + 10C Beaded heating elements are placed in ribs at bottom and sides. Double walled inside Aluminium or Stainless steel and outside mild steel sheet painted with attractive enamel. Door has double glass viewing, built in horizontal L-Shape thermometer with perforated adjustable shelves, two pilot lamps, ON/OFF Switch. To work on 220/230 Volts A.C.