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First Alert Hardwired Photoelectric Smoke Alarm with Battery Back-Up

First Alert Hardwired Photoelectric Smoke Alarm with Battery Back-Up

  • | SKU 520837
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Product Description

This Hardwired Smoke Alarm with Battery Back-Up uses photoelectric technology to reliably detect smoke produced by smoldering fires. This early warning of fire is vital to keeping family and residents safe. It also features a battery back-up which allows the detector to continue functioning, even during a power outage.

The universal mounting brackets take the hassle out of installation and covers up drywall cutouts. Plus, the alarm comes with an adapter plug that allows you to connect the detector to an existing power source. The tamper-resistant locking pins also keep the alarm secure and in place.

  • Connectable with up to 18 Compatible Devices – For larger buildings such as dormitories, office buildings, and apartments
  • Comes with a 9-volt battery and an easy-to-access battery drawer
  • AC-powered smoke alarms must be installed in accordance with all local electrical codes

Style Number: 7010B


  • Voltage: 120
  • Type: Hardwired
  • Sensor Type: Photoelectric
  • Battery Back-up: Yes
  • Alarm Type: Smoke
  • Decibel Level: 85 dB
  • Battery Type: 9V
  • Color: White
  • Dimensions: (W) 5” x (L) 5” x (H) 2”
  • Weight: 0.7 lbs.
  • UL Listed


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