First Alert SA520B Smoke Alarms - $30 (Indio)

First Alert SA520B Smoke Alarms 1 thumbnail

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condition: new

make / manufacturer: First Alert

model name / number: SA520B

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If the ad is up - the item is available.

Correspond via Craigslist email link only, no texting or phone calls.
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(2) First Alert SA520B Smoke Alarms
Never used, original box

• AC Hardwired
• Battery Back-Up
• Photoelectric Sensor
• Wireless Interconnect
• Bridge Unit
• Mesh Network Communication
• Silence Feature

Good until 2031

post id: 7904135936

posted: 2025-12-22 16:10

updated: 2026-02-10 01:10

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First Alert SA520B Smoke Alarms - electronics - by owner - sale -...

If the ad is up - the item is available. Correspond via Craigslist email link only, no texting or phone calls. --------------------------------------------------------------------------------- (2)...