Negative Positive
Title: Get a Digital Read CO detector
Review: This is a solid CO detector. The only thing I didn't like is that it is ac powered (with battery backup). The ideal installation location is in a hallway outside the sleeping areas per the NFPA. However, I have no ac outlets in my hallway! Therefore, I put it inside just one of the bedrooms. A digital readout is a must since the alarms will sound with about 70 ppm and 60 minutes exposure. I want to know my CO ppm level even if it doesn't trigger the alarm (mine was 0 ppm). Other nice features are a peak CO ppm reading in a 24 hr period and unobtrusive dim green readout which turns bright blue for reading. Unit is set to End of Life itself after 7 years.
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