First Alert Smoke Alarms, 3-Pack

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First Alert Smoke Alarms, 3-Pack
Price: $24.99
Shipping Options: $5 Standard OR $10 Two-Day OR $20 One-Day
Shipping Estimates: Ships in 1-2 business days (Monday, Dec 23 to Tuesday, Dec 24) + transit
Condition: New

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Previous Similar Sales (May not be exact model)
12/19/2013 - $24.99 (Woot-off) - 2 comment(s)
11/13/2013 - $24.99 - 16 comment(s)
11/13/2013 - $24.99 - 16 comment(s)

First Alert Smoke Alarms, 3-Pack
Price: $24.99
Shipping Options: $5 Standard* or $10 Two-Day or *$20 One-Day
Condition: New

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Product Page
Excellent Reviews from Walmart and Home Depot

It’s a good price but I’m much more comfortable having a dual sensor alarm that senses both photoelectric and ionization. Hot fires that don’t produce as much smoke are sensed much faster with the ionization sensor while smoldering fires with more smoke are sensed better with the photoelectric sensor.

I’ve, without luck, tried to find one with all three sensors:
electrochemical
photoelectric
ionization