oxygen sensor 1,High sensitivity 2,Signal stable,precise 3,Heat resisting 4,plasma-spray protection coating oxygen sensorType:thimble/conical Wire No.:4 Wire length(mm):330 Heater:2.1 ohm Grounded:caseConnector:our factory overview:our certification:our testing equipments:- impoted testing machine to acheive dozens of electric characteristics testing -engine simulative signal testing syestem