... to use and clean,corrosion resistantcertificate: GS,UL,TUVSafety device·Locking handle-pressure cooker can not be opened when ... cooker is under pressure. • Stainless steel pressue control valve with indicator monitors pre-selected cooking pressure • Two independent ... heat sources including gas, electric, ceramic top and induction • Safety system prevents cooker from opening under pressure • CE, GS ...