First Alert First Alert Wall Mounted Smoke Detector 1039809
First · Smoke alarms · maker: First
No image: licence pending
Rank 9 of 71 smoke alarms as of . See it in the full list.
Where it is made
No made-in-Canada statement from the maker on file.
Where to buy in Canada
$19.99 at Polani Electrical Supply (retailer selling directly, listed on Google Shopping), in stock when checked on .
See the Google Shopping listing for Polani Electrical Supply Affiliate link. We may earn a commission. Rank and inclusion are never affected.
Ranking components
- Expert (40%)
- 0.00 (No published expert test on file)
- Reviews (30%)
- 87.08
- Availability and price (30%)
- 99.14
- Total
- 55.87
0.4 × 0.00 + 0.3 × 87.08 + 0.3 × 99.14 = 55.87
- Reviews: 4.3 out of 5 from 135 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
- Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 2/70) because 2 of the 70 other ranked smoke alarms have a lower lowest price.
Expert tests
No published expert test on file.
Reviews by source
- 4.3 out of 5 from 135 reviews on Google Shopping, retrieved (source). Used in the review component.
Each source’s rating is shown on its own. Ratings from different sources are never combined.
Product details
- Brand
- First
- Category
- Smoke alarms
- Maker
- First
- Product page
- Polani Electrical Supply: no page recorded (disc:b86528faf738be5c, last checked )