First Alert smoke alarm - $4 (Windsor Locks)

condition: like new

make / manufacturer: First Alert

model name / number: SA320

size / dimensions: 5"x5"x1.75"

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model SA320 (has both ionization and photoelectric sensors)

No problems- Manufacture date is 2021 Apr 17. This means it still has a good 5 years of its 10-year lifespan left. I'm just getting rid of it because I have more than I need.

post id: 7879706158

posted: 2025-09-07 10:11

updated: 2025-10-05 22:26

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First Alert smoke alarm - electronics - by owner - sale - craigslist

model SA320 (has both ionization and photoelectric sensors) No problems- Manufacture date is 2021 Apr 17. This means it still has a good 5 years of its 10-year lifespan left. I'm just getting rid of...