O-9D digital, 7 year life carbon monoxide alarm provides an early warning of the presence of CO in your home.
Lynda Thompson (07.07.2020.)Very pleased - exactly as described. Unobtrusive, flashes intermittently to show it is working. Alarm sounds if carbon monoxide is detected. Battery lasts for years. Have had the same make before and have been completely satisfiedAnonymous Customer (19.04.2020.)Product as described just what I was looking for