First Alert - CO615 Carbon Monoxide Plug-In Alarm with Battery Backup CO615 - White

This review is about the First Alert - CO615 Carbon Monoxide Plug-In Alarm. Two alarms were purchased and one has been mounted. This alarm is easy to mount. There is a 'Test/Silence' button and a 'Peak Level' button on the front of the unit. By pressing the Test/Silence button, the screen lights with a blue background, four bars and a loud beeping sound, to indicate the presence of CO, in amounts ranging from 70 ppm to 400 ppm. By pressing the Peak Level button, the data in Memory is displayed, showing any CO level that the alarm had recorded while you were away from your home. Since this is a battery backup model, you should keep fresh batteries in the unit and check their voltage on a regular basis. Since a power outage can be an already frustrating experience, you will want to have the alarm on and ready to detect any CO that may be in the air.

1/28/24. I purchased this great life-saving product based on the exceptional info from Garza regarding its excellent life-saving features. Garza, thank!

discreet & you don't even know it is there, which is the point, I believe.

I purchased this warning device 11 months ago. I plugged it in after reading the directions and it has been operating continually since. It is silent unless the alarm goes off - which has not happened this far. I have it in the hallway outside my bedroom on the second floor and you would never know it was there unless you saw it. I check it periodically and so far all is in order. I definitely would recommend this device.

I'm so happy that I purchased this item for my kitchen area. About a week or two after purchase, I was using the oven and after 15-20 minutes I heard the alarm go off. When I rushed to the kitchen to inspect, the alarm gave a high reading of carbon monoxide. I called 911, turned off the oven, opened the windows, and waited outside for the fire dept.