Temperature is thermostatically controlled by hydraulic thermostat from RT +50C to 250C. Beaded heating Elements are placed in ribs at the bottom and sides with built in L Shape glass thermometer. Double walled, inside made of stainless steel 304 Outer body of mild steel sheet finished with attractive powder coating paint with S.S wire mesh nickel plated trays. To work on 220/230 volts A.C.