Programmable Hold Button allows staff to place the alarm unit in a temporary hold mode, letting patient move off pad without alarm sounding. Once hold period expires, system automatically resets.Nurse Call Jack when the patients nurse call cord is plugged into the Patient Alarm/Transmitter Unit it will send a signal to the nurses' station when the alarm is triggered. Requires Nurse Call Connector (sold separately).Nurse Call Connector. Includes cable splitter to enable nurse call button to work with alarm. - Rolyan products are internationally licensed & manufactured for home & clinical use. Most of their products offer a lifetime warranty.