Home/Smoke Detectors/First Alert SA320CN Photoelectric Smoke Detector

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#5 in Smoke Detectors

First Alert SA320CN Photoelectric Smoke Detector

Name: First Alert SA320CN Photoelectric Smoke Detector
Brand: First Alert
Rating: 8.5 (1 reviews)

First Alert

$15.00 – $22.00

Battery-powered photoelectric smoke detector optimized for detecting slow-smoldering fires common in bedrooms. The slim profile mounts easily with included hardware, and the test button and low-battery chirp ensure reliable operation.

8.5

Excellent

Consensus

Our Analysis

Ranked #5 based on expert reviews, user sentiment, and value analysis.

Score Breakdown

Expert Score

8.5

User Sentiment

8.7

Value Score

8.4

Complaint Risk

9.3

Freshness

7.8

Community

8.6

Availability

8.7

Pros

Photoelectric sensor reduces false alarms
Photoelectric sensor reduces false alarms
Easy battery-powered install
Easy battery-powered install
Slim low-profile design
Slim low-profile design

Cons

Smoke-only — no CO detection
Smoke-only — no CO detection
Requires periodic battery replacement
Requires periodic battery replacement

Don't buy this if…

Replace the 9V battery at least once per year — a dead battery renders the detector useless.
Replace the 9V battery at least once per year — a dead battery renders the detector useless.