Professional Design: The push button cord is designed for universal replacement nurse station and medical alert systems, and can also be used for emergency alerts for patient assistance systems. Widely Applicable: The replacement nurse call cord has a red call button and is ideal for caregivers, patients, elderly, disabled, and sick. Clip Design: The replacement nurse call cord has a clip that can be placed on beds and clothing for easy attachment and use. Easy to Use: The push button cord uses a standard 6.35mm mono plug to connect to the call speaker and requires no power or batteries. It is easy to use in a dark room. Waterproof Handle, 9.8ft Cable Length: The replacement nurse call cord has a waterproof engraved handle and a cable length of 9.8ft/3m.