#3 in Smoke & carbon monoxide alarms
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Reddit mentions of First Alert SCO501CN-3ST Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Location
Sentiment score: 2
Reddit mentions: 3
We found 3 Reddit mentions of First Alert SCO501CN-3ST Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Location. Here are the top ones.
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Battery operated smoke and carbon monoxide alarm can be installed easilyConnects multiple alarms together for wireless safety networkVoice alarm gives clear indication of where the problem is locatedFeatures photoelectric smoke sensor and electrochemical CO sensorOne button silences a false alarm and tests the unit. Loud 85 decibel alarmNOTE: Kindly refer to the user manual provided as a PDF manual in the product description sectionFirst Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
Specs:
| Color | White |
| Height | 2 Inches |
| Length | 5 Inches |
| Number of items | 1 |
| Size | 1-pack |
| Weight | 0.2 Pounds |
| Width | 5 Inches |
Ours are very similar. One in each bedroom (3 of them). One in the hallway that covers the living room and kitchen. One in the garage. One in the basement outside the laundry room and utility room.
Best of all, if one goes off, they all go off. This is the main unit I got. The others don't talk. Oh, and they are loud as all get out. My neighbors hear them when they go off. Which I guess is a good thing.
I bought a combination of these two:
https://www.amazon.com/gp/product/B000YC535Q/
https://www.amazon.com/gp/product/B000EVO7C2/
I like how they interconnect with each other so that if any of them alert, they all alert. It also has voice alert to tell you where and what type of hazard there is.
I installed 1 combo Carbon Monoxide on each floor of my house, and then the straight smoke detectors in almost every other room.
Yes, I’ve looked at the Insteon smoke bridge. But as you say, the selection of compatible products isn’t great, and the features and compatibility are confusing and poorly documented.
For example, First Alert seems to offer only a single hardwired device with ONELINK, the First Alert SA521CN. But the SA521CN is only a smoke detector, it doesn’t detect CO. I could pair this with a unit which does do smoke+CO like the First Alert SCO501CN-3ST -- but that unit isn’t hardwired so it does me no good.
Then there are First Alert devices which are “interconnected” but lack ONELINK. For example the BRK SC9120B is a hardwired smoke+CO detector which is “interconnected” but lacks ONELINK. Maybe I could buy one of these and pair it with a SA521CA to give ONELINK capability? :(