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Jemay hardwired smoke detector with 9V backup battery

Jemay ★ 3.5/5 · ItemOracle Score Mid-Range

$90 USD
Price subject to change
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Jemay Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Hardwired Interconnected Smoke Detector, Fire Alarm with Test/Silence Button for Home, 4 Packs

Photoelectric smoke detector with 9V backup and hardwired interconnection. Relies on real-time detection to reduce false alarms, with a test/silence button. Customers note easy installation and good value

Highlights

  • Photoelectric sensor with fast response
  • Hardwired with replaceable battery backup
  • Interconnected smoke alarms

Pros

  • Photoelectric sensing for quick detection
  • Hardwired with replaceable battery backup
  • Interconnected wiring for whole-home safety
  • Easy to install
  • Affordable for a multi-pack

Cons

  • Only mentions 9V battery backup
  • No explicit compatibility details
  • Limited customer insights provided

Best For

  • new-home installation
  • multi-storey residence safety
  • retrofit of existing homes
  • basement and kitchen areas protection
  • hardwired security system integration
  • backup power during outages

Features

  • Photoelectric smoke sensor detects quickly with reduced false alarms
  • Hardwired interconnection supports up to 12 devices with shared alarms
  • 9V replaceable battery backup for power outage protection
  • Operates on 120V AC with battery backup for continuous safety checks
  • Test and silence button for low battery notification without disturbance

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