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First Alert BRK 3120B Smoke Alarm
X-Sense SD01 Smoke Alarm
See Top Ranked Basic Smoke Alarms

First Alert BRK 3120B 2017 vs X-Sense SD01 Smoke Alarm

Analysis:

The First Alert BRK 3120B Smoke Alarm makes for a good, if unremarkable Basic Smoke Alarm for people with a $40 budget. The X-Sense SD01 Smoke Alarm, however, is merely mediocre when compared to other options at its price point and won't satisfy the needs of most people.

In both cases, however, you might want to look into some alternatives at the $40 price range - chances are that there are better options available.

If you're still interested in learning more about the First Alert BRK 3120B Smoke Alarm and X-Sense SD01 Smoke Alarm, however, we put together a summary of what we know:

The First Alert BRK 3120B Smoke Alarm was loved by reviewers at TechGearLab, a highly trusted source that performs reliable in-depth testing. It did great in its "Best Smoke Detector of 2021" roundup where it was named its "Best for Hardwired Comprehensive Smoke Sensing", which, in itself, makes it a product worth considering.

Returning to the X-Sense SD01 Smoke Alarm, TechGearLab, a source that's known for its high-quality in-depth testing, has great things to say about it. In fact, it was named its "A Light to Guide You" in its "Best Smoke Detector of 2021" roundup, which is quite a feat.

As a last step, we wanted to do a head-to-head First Alert BRK 3120B Smoke Alarm vs. X-Sense SD01 Smoke Alarm comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
TechGearLab
Recommended by trusted experts
TechGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best for Hardwired Comprehensive Smoke Sensing
in “Best Smoke Detector of 2021” 
Last updated: 15 Dec 2020
Recommended by trusted experts
TechGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
A Light to Guide You
in “Best Smoke Detector of 2021” 
Last updated: 15 Dec 2020

Key things to consider when buying Basic Smoke Alarm

Our super simple Buying Guide

Graphing logicFam
  • Photoelectric vs ionization
  • Carbon monoxide detector
  • Inter-connectivity
  • Power supply: batteries vs hard-wired
  • Design: control, indicators
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