Physio Control 11171-000042 Alternate Part #’s 3201655-056 18 inches long. Works with the Masimo Cable 2404, 2405, 2406 Patient Cable for LIFEPAK 15 Works with the Masimo 2523, 2524, 2525, 2526 Patient Cable for LIFEPAK 12. For NON Rainbow Zoll E & M Series