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FIRST ALERT 9120B Smoke Alarm, Ionization Sensor
- 120 V hardwired smoke alarm wires directly into your home''s electrical system
- Ionization smoke sensor is optimal for detecting fast flaming fires
- Gasket-less mount system for hassle-free installation
- Easy-to-access battery drawer
- Can integrate with up to 12 other first alert or BRK hardwired smoke detectors
- Battery backup for detection during a power outage
- Tamper-resistant locking pins
- Interconnectable up to 18 units such as 12 smoke and 6 CO/heat/relay
- Emits T3 pattern
Opens at 7:30 am
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