Alarm Smoke and CO Listener
Place Alarm Smoke and CO Listeners near each of your existing smoke and carbon monoxide detectors to get alerts whenever they sound their sirens.
FREE Expedited Shipping on Orders over $49
*Requires the Ring Alarm Security Kit.
*Ships to the continental US (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.