Review on First Alert CO Detector Alarm with Digital Display and Peak Memory, Battery Operated, CO410 - No Outlet Required by James Baker

Me and my 4 children's lives! I bought it as a backup for my expensive $200 unit that was hooked up to my home alarm system. I bought it because I wanted to put it upstairs next to the heater. Well it happened in the middle of the night and we left the house and called the police. They came and examined us, we had to give oxygen from the hospital! My baby (1 year old) and I had the highest levels and needed treatment. This device saved the lives of my 4 children and I. I don't think 5 stars is enough.