This compatible sensor connects directly to the bedside monitor. It works with the following patient monitors: BCI: 3180, 3300, 3404, 3444, 6100, 9100, Advisor, Autocorr, Mini Torr, Mini Torr Plus; Larsen & Toubro Limited (L&T Medical) Stellar P, Star 50, Galaxy, Planet, Planet 50, Cosmic; and Pace Tech monitors that have a 7-pin connector. 9-foot cable.