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First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
ASIN: B000BD6BSG

by First Alert

First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White

7.9
Confidence High

ExpertBeacon Score and confidence are proprietary signals, not retailer ratings.

4.5Amazon rating(3.6K reviews)
Demand Top 35%
Confidence High
Lower-Priced in Set

How It Compares

Compared with other products in Smoke Detectors & Fire Alarms.

Demand
65%
Expert Score
48%
Relative Price★
Lower-priced

Relative Price shows where this product sits in the category. Exact prices stay hidden.

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Affiliate Disclosure — We earn from qualifying purchases. Data last updated on Mar 23, 2026. ExpertBeacon Score, Expert Score, Value, and Confidence are our own signals, not retailer ratings.

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Product Features

  • Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds when smoke levels are elevated
  • Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires
  • Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install
  • Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • First 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)

Why It Ranked Well

High Confidence

Listing completeness and demand coverage are both strong for this product.

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