Designed to help promote household safety, the First Alert 9120B Hardwired Smoke Alarm with Battery Backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
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- Alarm
- Smoke detection technologies
- Single button for testing and silencing
- 9 volt battery back up
- Latching alarm indicator, remembers which unit initiated an alarm
- Perfect mount allows for easy installation
- Meets new construction requirements
- 120 volts
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