3.0m Compatible Pace Tech SpO2 sensor with round 6-pin connector. It is compatible with the following patient monitors: Pace Tech: Vitalmax 4000, Vitalmax 4100 with touch screen technology; Osen: 9000. Please check your monitor before ordering. Pace Tech monitors without touch screen technology can usually be identified by a blue/green ring around the connector. SpO2 sensors for Pace Tech monitors without touch-screen technology or a yellow ring can be found here.