BRK First Alert BRK SMCO100 Battery-Operated
Combination Smoke & Carbon Monoxide Alarm, 1-Pack
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$17–$39
- Mid-range:$39–$93← You are here
- Premium:$93+
Is This Right For You?
- •Budget-conscious shoppers — priced below 73% of Smoke Detectors
- •Those who want a top-rated option — in the top 5% of Smoke Detectors by rating
- •You prefer well-established products — only 21 reviews, so the rating may still shift
- •First Alert Smoke Alarm — 56% cheaper at $17 (Score A+)
📊 Based on data analysis of 37 products in this category.
Mubboo Score: B-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Smoke Detectors
Computed from live Amazon rating, review count, and price across 37 Smoke Detectors available to US consumers · last refreshed 2026-06-02.
How It Compares
This Product BRK First Alert BRK SMCO100 Battery-Operated | Most Popular BRK First Alert 9120BFF/ SMI100-AC Smoke Detector | Best Rated Kidde Smoke Detector | Best Value First Alert Smoke Alarm | |
|---|---|---|---|---|
| Price | $38.99 | $18.99 | $19.88 | $16.99 |
| Rating | 4.7/5 | 4.7/5 | 4.6/5 | 4.6/5 |
| Reviews | 21 | 19,205 | 7,603 | 4,421 |
| Mubboo Score | B- | A+ | A+ | A+ |
Quick Specs
- Alarm
- Smoke, CO
- Color
- White
- Style
- Smoke, CO
- Unit Count
- 1.0 Count
- Sensor Type
- Ionization
- Manufacturer
- Resideo
- Model Number
- SMCO100
- Power Source
- Battery Powered
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Test units upon arrival, as included batteries may be dead or drain quickly. Verify activation tab functions and note that sealed-battery models may not interconnect with other alarms.
- Ease of Installation
- Good Value
- Reliable Performance / No False Alarms
- Compatibility with Existing Mounts
- Long Battery Life / No Battery Changes
- Pre-installed Battery Drains Quickly
- Dead on Arrival / Activation Issues
- Flimsy Build Quality
- Confusing Instructions
Expert Picks in Smoke Detectors
- Kidde Smart Smoke Detector — Best smoke detector overall
- First Alert Battery Smart Smoke & Carbon Monoxide Alarm with Nest Protect — Best for Google Nest users
- Kidde Ring-Enabled Smart Smoke and Carbon Monoxide Detector — Best smoke detector for Alexa and Ring users
- First Alert SMI100 Dual Sensor Smoke Detector — Best budget smoke detector
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 What Most Homeowners Don’t Know About Carbon Monoxide Detectors — The DIY HVAC Guy
- 📹 Best Carbon Monoxide Detectors in 2026 — wiredtech
- 📹 7 Best Carbon Monoxide Detector 2026! Tested & Tried — Everything Under Control
Key Features
- ✦First Alert BRK Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
- ✦Battery-operated alarm is easy to install and maintain
- ✦Test/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours
- ✦Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery
Source: product listing on Amazon.
About BRK
- 13 products in our database
- Average rating: 4.8/5 across all products
- Price range: $18.99 – $233.98
- Categories: Carbon Monoxide Detectors, Smoke Detectors
If not the First Alert BRK SMCO100 Battery-Operated, consider these
Bottom Line
BRK First Alert BRK SMCO100 Battery-Operated earns Mubboo Score B-. Priced at $39 — a budget-friendly option, below the category average of $77. Rated 4.7/5 from 21+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option. Skip if: you prefer well-established products — BRK First Alert 9120BFF/ SMI100-AC Smoke Detector (Score A+, $19) may fit better.
Frequently Asked Questions
Is the BRK First Alert BRK SMCO100 Battery-Operated worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.7/5 rating from 21 reviews — better than 95% of Smoke Detectors we track.
How much does the BRK First Alert BRK SMCO100 Battery-Operated cost?
It is currently $38.99 — budget-tier pricing for Smoke Detectors.
How does the First Alert BRK SMCO100 Battery-Operated compare to other Smoke Detectors?
The category's most-reviewed alternative is the BRK First Alert 9120BFF/ SMI100-AC Smoke Detector (4.7/5, 19,205 reviews, $18.99). The First Alert BRK SMCO100 Battery-Operated carries a Mubboo Score of B- vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-02) and may change.