The nurse cord use standard 6.35mm plug to connect to call speaker and not require power and batteries.
Push Button Cord, Universal Replacement Call Cord with Clip for Caregivers Patients Elderly Push Button Cord Cable for Nurse Station Emergency Alerts Length 6.35mm Interface
Flylin 6.35mm Push Button Cord Cable, Universal Replacement Call Cord Emergency Push Call Cable with Bed Sheet Clip for Nurse Station
—Push Button Cable Universal Replacement Push Button Cord Crystal Head 6P4C
Push Button Cable Universal Replacement Push Button Cord Crystal Head 6P4C
Nurse Call Cable Universal Crystal Head 6P4C Replacement Push Button Cord New
