This compatible sensor connects directly to the bedside monitor. It works with the following patient monitors: Nihon Kohden: BSM-4101, BSM-4102, BSM-4102A, 4103, 4111, 4113 Life Scope P, BSM-5105, 5135 Life Scope A, BSM-2351, 2353 Life Scope L, BSM-2301, 2303 Life Scope I, Life Scope J, BSM-9101 and PVM-2701. 9-foot cable.