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Store Hours:
7:00AM-8:00PM
MAC'S Hardware
FIRST ALERT 9120B
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.
| Color | : | White |
| Dimensions | : | 5.6 in L x 1.9 in W x 5.6 in H |
| Includes | : | 9 V Battery |
| Operating Temperature | : | 40 to 100 deg F |
| Power Supply | : | 120 V |
| Sensor Type | : | Ionization |
| Sound Level | : | 85 dB |
- 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
Owners/User Manual