3.0m Compatible Mindray SpO2 Sensor. It is compatible with the following Mindray patient monitors with Masimo technology: PM 6000, PM 6201, PM 7000, PM 8000, PM 9000 Express, PM 9000, PM 9100, PM 9200P, M1K0, M2K0 (before January 2006). Please check your monitor before ordering. The 2 guides on the connector have a wide space between them - approximately 60 degree angle from connector centre. The MC410-29MD sensor is available with guides that are closer together - 40 degree angle from connector centre. Please check to see which connector suits you as the connector will not connect if you don't have the correct spacing between the keys.