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Designed to help promote household safety, the FIRST Alert® hardwired smoke alarm with battery backup can provide early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
FIRST ALERT Smoke Alarm, Battery, Hardwired, Audible Alarm, LED Visual Indicator, Ionization Sensor, Lithium-Ion Battery, Ceiling, Wall Mounting, 40 to 100 deg F, 5.6 in Width, 1.9 in Height, Additional Information: 12.63 in L Dimensions
| Additional Information | : | 12.63 in L Dimensions |
| Alarm Type | : | Audible |
| Battery Type | : | Lithium-Ion |
| Height | : | 1.9 in |
| Mounting Type | : | Ceiling, Wall |
| Power Source | : | Battery, Hardwired |
| Sensor Type | : | Ionization |
| Temperature Rating | : | 40 to 100 deg F |
| Visual Indicator Type | : | LED |
| Width | : | 5.6 in |