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First Alert SC7010B Hardwire Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup
Electrochemical Carbon Monoxide Sensor
Photoelectric Smoke Sensor
End of Life Signal$59.99$48.88 -
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
Superior carbon monoxide sensor and dual ionization smoke alarm
Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
Easy to install universal mount bracket$92.99$31.99 -
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup (2 Pack)
$63.99120V AC with 9V battery backup
Side load battery drawer
Tamper resistant locking pins -
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup (4 Pack)
$125.99120V AC with 9V battery backup
Side load battery drawer
Tamper resistant locking pins -
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup (6 Pack)
$184.99120V AC with 9V battery backup
Side load battery drawer
Tamper resistant locking pins -
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup * BOX OF 12 *
$406.19Single button test/silence
Electrochemical Carbon Monoxide Sensor
the most accurate sensor available as compared to other sensing technologies -
First Alert Sc9120bca Smoke And Carbon Monoxide Alarms
Combination 120 volt AC smoke and carbon monoxide alarm with 9-volt battery backup
Interconnectable with all BRK smoke and CO alarms
It eliminates the need for two separate electrical boxes, saving installation time and materials$77.79$60.67 -
First Alert SCO403 Alarm Combination Pack
Includes battery-operated carbon monoxide alarm and battery-operated smoke alarm
Modern, compact CO detector design with no installation required, electrochemical sensor
Smoke alarm uses ionization smoke sensing technology$50.99$24.47 -
FIRST ALERT SCO403 Smoke Alarm & Carbon Monoxide Detector Combo Pack
Carbon monoxide detector with electrochemical sensor
Smoke alarm with ionization smoke sensor
Simple-to-use silence/test button$43.99$43.07 -
First Alert SCO5B Smoke and Carbon Monoxide Alarm Photoelectric Sensor Detects Flaming Fires and CO Hazard AA Battery Powered
Color: White
Single button test/silence
Easy alarm identification through different horn sounds and lights$42.57$29.99 -
First Alert SCO5CN Battery Operated Combination Carbon Monoxide/Smoke Alarm
Battery-operated combination carbon monoxide alarm and smoke alarm
Uses electrochemical carbon monoxide sensor–the most accurate technology available
Photoelectric sensing technology reduces nuisance smoke alarms$54.99$21.88 -
First Alert SCO7CN-C Child Awakening Smoke and Carbon Monoxide Alarm Voice, 1-Pack
Voice Alarm with Location
Photoelectric Smoke Sensor
Single button silence/test$39.99$36.09
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