we have two size about thif product:First size,JBQ-06C outer diameter 42.4cm inner pan diameter:36cmSecond size:JBQ-06B outer diameter 36.4cm inner pan diameter:30cm Power: 110V/230V 1250W 50/60HzNon-stick cooking surface with ridgescool-touch bodyRemovable,full-range adjustable temperature controlBuilt-in spout for easy pouringSee-through,tempered glass lidCertificate:GS/CE/RoHS/LFGB/ETL/CETL