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Hardwired interconnected smoke detectors with 9V backup

siterlink ★ 3.6/5 · ItemOracle Score Mid-Range

$86 USD
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Hardwired Interconnected Smoke Detectors,Photoelectric Smoke Alarm with 9V Battery Backup,Test/Silence Button, Hard Wired Fire Alarm for Home GS562A 4pack

Hard wired smoke detectors with photoelectric sensors and 9V battery backup. Auto alert on low battery or error, loud alarm over 85dB for evacuation. Customer insight notes easy installation and compatibility with three-wire hook-up

Highlights

  • 9V backup battery included
  • AC 120V hard-wired operation
  • highly responsive photoelectric sensing

Pros

  • Hard wired with 9V backup
  • Photoelectric sensor for quick fire warning
  • Low-battery and error notifications
  • Loud alarm (over 85dB)
  • User-friendly installation

Cons

  • Mixed feedback on battery life
  • Some report alarm performance issues after a week

Best For

  • home smoke alarm replacement
  • new-home hardwired install
  • three-wire hook-up setups
  • power outage preparedness
  • multi-unit residential wiring
  • basement or hallway safety

Features

  • AC 120V hard-wired power with 9V lithium backup battery
  • Interconnected up to 12 devices with synchronized alarm signaling
  • Photoelectric sensor for rapid smoke detection and early warnings
  • Loud alarm exceeds 85 dB for timely evacuation and mute/test controls
  • Automatic low-battery or fault notification with test and LED indicators

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