This compatible sensor connects directly to the bedside monitor. It works with the following patient monitors: Mindray, monitors with Masimo technology for: PM 6000, PM 6201, PM 7000, PM 8000, PM 9000 Express, PM 9000, PM 9100, PM 9200P, M1K0, M2K0 (before January 2006). Please note the 2 keys (guides) on the side of the connector. These guides have a broad spacing between them. If your monitor has keys that are closer together, please refer to sensor S410-29M0. 9-foot cable.