This product has been discontinued.
Yes, the CO alarm will beep every 45 seconds and the green light will flash. There is also a 'replace by' date on the alarm.
21 customers have given this product an overall rating of 4.4 out of 5
Rating: 4 / 5 Stars
Easy to install. Test system works Difficult to know how to rate this item when brand new as it is a cm detector with a number of years guarantee. Ask me again in 2026 to see if it is still working!!
Published on: 3rd August 2019
Rating: 3 / 5 Stars
OK as far as I know, 2nd one I've had, previous one was OK but had reached end of life.
Published on: 14th March 2018
Rating: 5 / 5 Stars
Does what it says on the tin (hopefully)
Published on: 17th September 2017