US
X-Sense

X-Sense Smoke & Carbon Monoxide Alarm

  • Smoke Detectors & Fire Alarm
  • Battery
  • Lithium metal
  • 1
4.5/ 5 on Amazon338Amazon ratings1,000+bought last month4.2ProductDome score
High confidenceUpdated 7 days agoAmazon data + ProductDome analysis · methodology
Best forYou want smoke and CO detection from one sealed, low maintenance unit

A capable two in one alarm with a sealed 10 year battery that most reviewers found easy to install and reliable, though a couple of buyers hit a dead unit out of the box, so it is worth testing right after installing.

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ProductDome scorecard

How it ranks among the 10 smoke detectors & fire alarms we track

4.2/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.5★4.5

4.5★ across 338 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 757 ratings3.2

338 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.1

1,000+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 10 smoke detectors & fire alarms we track - how the scorecard works · full smoke detectors & fire alarms data report. Confidence: high - strong rating volume and complete data.Updated 7 days ago. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The X-Sense SC06 is a combination smoke and carbon monoxide alarm in one unit, powered by a sealed 10 year lithium battery rather than a replaceable AA or 9 volt. It is UL 217 and UL 2034 certified and installs without wiring.

Where the Kidde alarms above watch only for smoke, the SC06 also covers carbon monoxide, so one unit does the job of two separate detectors. The sealed battery means nothing to swap for a decade, though it also means the whole unit gets replaced rather than just a battery once it reaches end of life.

  • Sealed 10 year lithium battery, no battery swaps
  • Combined smoke and carbon monoxide detection
  • 85 dB alarm with photoelectric and electrochemical sensors
  • One button test and silence operation

Who it's for

Fits homeowners who want smoke and CO coverage from a single detector without running separate units, especially in bedrooms and near fuel burning appliances. Anyone who prefers a user replaceable battery, or wants smoke detection only, should look elsewhere.

What buyers say

From Amazon customer reviews.

Reviewers who cook a lot liked that it stopped tripping on kitchen smoke and steam, and several called the sealed 10 year battery a real advantage over units that need a fresh 9 volt every year. One buyer went about four months with no false alarms after installing it, and others were replacing 10 year old alarms with it and said they trust the brand. The clear complaint is a dead on arrival issue: one buyer got two units in a row where the status light never came on and the test button did nothing, and because the battery is sealed in, there was no battery swap to try as a fix. Another noted the box arrived beat up, though the alarm inside still worked.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Covers smoke and CO in one sealed unit
  • 10 year sealed battery, nothing to replace
  • One button test and silence
  • UL 217 and UL 2034 certified
What to check first
  • Sealed battery means the whole unit is replaced at end of life
  • A small number of buyers received units that would not power on

Performance notes

Photoelectric and electrochemical sensors handle smoke and carbon monoxide separately inside the same housing, and X-Sense says the upgraded sensors improve response speed while cutting down on false alarms. A single button tests and silences the unit, and a low battery warning signals as the sealed cell nears the end of its 10 year life.

Specifications

BrandX-Sense
ModelSC06
Dimensions & fit
Item Dimensions D x W x H5.7 × 5.7 × 2 inches
Power & efficiency
Power SourceBattery
Battery TypeLithium metal
Battery Average Life10 years
Construction & materials
Enclosure MaterialHeat-Resistant PC Material
ColorWhite
Included components
Unit Count1
Warranty & support
Manufacturer Warranty DescriptionLifetime
Other details
Sensor TypePhotoelectric, Electrochemical
Number of Items1
BuiltIn Media1 × Smoke and Carbon Monoxide Alarm SC06, 1 × User Manual, 3 × Screws and Anchor Plugs
Item Highlight10-Year Sealed Battery (Not Hardwired), 2-in-1 smoke & CO detection, Easy Installation, UL 217 & UL 2034 Certified

How it compares

This product against the closest alternatives we track in smoke detectors & fire alarms.

ProductAmazon ratingRatingsProductDome score
X-Sense Smoke & Carbon Monoxide AlarmThis product4.5 / 53384.2 / 5
First Alert Battery Smoke AlarmFirst Alert4.6 / 55,6004.7 / 5
Kidde Compact Smoke DetectorKidde4.5 / 59404.3 / 5
First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 PackFirst Alert4.6 / 55744.5 / 5
First Alert Hardwire Smoke AlarmFirst Alert4.5 / 52,6004.4 / 5
Frequently asked

Questions about the X-Sense SC06

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does the X-Sense SC06 detect carbon monoxide as well as smoke?

Yes, it is a combination alarm with separate sensors for smoke and carbon monoxide in one housing.

Can you replace the battery in the X-Sense SC06?

No, it uses a sealed lithium battery rated for 10 years; the unit is replaced rather than the battery.

What certifications does the SC06 carry?

It is UL 217 and UL 2034 certified for smoke and carbon monoxide detection.