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Uses item details. Price when purchased online

Plug-In CO Alarm $23.99

Plug-In CO Alarm
current price $23.99

Plug-In CO Alarm

4.5 out of 5 Stars. 162 reviews
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Plug-In CO Alarm w Digital Display $35.88

Plug-In CO Alarm w Digital Display
current price $35.88

Plug-In CO Alarm w Digital Display

4.5 out of 5 Stars. 171 reviews
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First Alert 1046834, Electric Precision Detection Smoke Alarms $24.84 Was $33.00

First Alert 1046834, Electric Precision Detection Smoke Alarms
current price Now $24.84, Was $33.00

First Alert 1046834, Electric Precision Detection Smoke Alarms

4.5 out of 5 Stars. 83 reviews
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First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector $74.97

First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector
current price $74.97

First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector

4.7 out of 5 Stars. 18 reviews
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First Alert Dual-Power Carbon Monoxide Plug-in Alarm with Digital Display, 1039746PT $35.88 $52.00/ea

First Alert Dual-Power Carbon Monoxide Plug-in Alarm with Digital Display, 1039746PT
current price $35.88
$52.00/ea

First Alert Dual-Power Carbon Monoxide Plug-in Alarm with Digital Display, 1039746PT

5 out of 5 Stars. 2 reviews
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First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-Pack $37.99

First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-Pack
current price $37.99

First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-Pack

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795

4.8 out of 5 Stars. 25 reviews
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First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack From $54.95

First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
Available in additional 4 options
Options
From$5495

First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack

3.9 out of 5 Stars. 9 reviews

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector $34.99

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector
current price $34.99

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector

4.7 out of 5 Stars. 16 reviews
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First Alert SC5 Hardwire Smart 2-in-1 Smoke and CO Alarm with Voice Alerts and Battery Backup $111.26

First Alert SC5 Hardwire Smart 2-in-1 Smoke and CO Alarm with Voice Alerts and Battery Backup
current price $111.26

First Alert SC5 Hardwire Smart 2-in-1 Smoke and CO Alarm with Voice Alerts and Battery Backup

5 out of 5 Stars. 1 reviews
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First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 4-Pack $135.95

First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 4-Pack
current price $135.95

First Alert BRK SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 4-Pack

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization $42.99 Was $52.70

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
current price Now $42.99, Was $52.70

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization

4.2 out of 5 Stars. 114 reviews
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First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup $36.99

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup
current price $36.99

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup

4.3 out of 5 Stars. 34 reviews

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795PT $36.99 $78.70/ea

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795PT
current price $36.99
$78.70/ea

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795PT

4.7 out of 5 Stars. 3 reviews
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First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display $55.17 Was $70.99

First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display
current price Now $55.17, Was $70.99

First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display

4.3 out of 5 Stars. 86 reviews
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First Alert PRC710, Battery-Powered Ionization Smoke Alarms $21.99

First Alert PRC710, Battery-Powered Ionization Smoke Alarms
current price $21.99

First Alert PRC710, Battery-Powered Ionization Smoke Alarms

4.6 out of 5 Stars. 24 reviews
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First Alert GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display, 1039760PT $62.99 $74.11/ea

First Alert GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display, 1039760PT
current price $62.99
$74.11/ea

First Alert GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display, 1039760PT

5 out of 5 Stars. 4 reviews
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First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

4.6 out of 5 Stars. 329 reviews

First Alert BRK 7030BSL Hardwired Hearing Impaired Combination Alarm with Led Strobe Light, White $134.95

First Alert BRK 7030BSL Hardwired Hearing Impaired Combination Alarm with Led Strobe Light, White
current price $134.95

First Alert BRK 7030BSL Hardwired Hearing Impaired Combination Alarm with Led Strobe Light, White

First Alert CO250B, White, 9-Volt Battery, Electrochemical Carbon Monoxide Alarm

First Alert CO250B, White, 9-Volt Battery, Electrochemical Carbon Monoxide Alarm

First Alert CO250B, White, 9-Volt Battery, Electrochemical Carbon Monoxide Alarm

4.7 out of 5 Stars. 16 reviews

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack $178.99

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack
current price $178.99

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack

First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts $111.40

First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts
current price $111.40

First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts

4 out of 5 Stars. 1 reviews
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First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

4.4 out of 5 Stars. 41 reviews

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece

4.9 out of 5 Stars. 23 reviews
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First Alert BRK Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack $144.95

First Alert BRK Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack
current price $144.95

First Alert BRK Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack

First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display. 10 Pack. $400.00 Was $551.70

First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display. 10 Pack.
current price Now $400.00, Was $551.70

First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display. 10 Pack.

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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack $114.68

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
current price $114.68

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

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First Alert 1046731, Battery Photoelectric Sensor Smoke Alarm $33.94

First Alert 1046731, Battery Photoelectric Sensor Smoke Alarm
current price $33.94

First Alert 1046731, Battery Photoelectric Sensor Smoke Alarm

4.2 out of 5 Stars. 14 reviews
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First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm $41.99

First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm
current price $41.99

First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm

4.8 out of 5 Stars. 5 reviews
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First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white $116.99

First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white
current price $116.99

First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white

First Alert Hearing Impaired Smoke Detector| Hardwired with LED Strobe Light, 7020BSL $81.69

First Alert Hearing Impaired Smoke Detector| Hardwired with LED Strobe Light, 7020BSL
current price $81.69

First Alert Hearing Impaired Smoke Detector| Hardwired with LED Strobe Light, 7020BSL

First Alert SMCO210 10-Year Battery 2-in-1 Smoke & CO Alarm, Slim Profile Design, 6-Pack (BRK 1046801) $279.99

First Alert SMCO210 10-Year Battery 2-in-1 Smoke & CO Alarm, Slim Profile Design, 6-Pack (BRK 1046801)
current price $279.99

First Alert SMCO210 10-Year Battery 2-in-1 Smoke & CO Alarm, Slim Profile Design, 6-Pack (BRK 1046801)

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First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 6-Pack $312.99

First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 6-Pack
current price $312.99

First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 6-Pack

5 out of 5 Stars. 2 reviews

First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

4.5 out of 5 Stars. 478 reviews

First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup

First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup

First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup

4.9 out of 5 Stars. 54 reviews

Other options to consider

First Alert PRO2-5 $36.50 Was $41.95

First Alert PRO2-5
current price Now $36.50, Was $41.95

First Alert PRO2-5

Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm, Panic Alarm, Audible Alerts, Remote Control, Works with Alexa, Google, Home Assistant, IFTTT - Hub Required From $28.99

Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm, Panic Alarm, Audible Alerts, Remote Control, Works with Alexa, Google, Home Assistant, IFTTT - Hub Required
With Hub, variant on Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm, Panic Alarm, Audible Alerts, Remote Control, Works with Alexa, Google, Home Assistant, IFTTT - Hub Required
Without Hub, variant on Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm, Panic Alarm, Audible Alerts, Remote Control, Works with Alexa, Google, Home Assistant, IFTTT - Hub Required
Options
From$2899

Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm, Panic Alarm, Audible Alerts, Remote Control, Works with Alexa, Google, Home Assistant, IFTTT - Hub Required

4.8 out of 5 Stars. 5 reviews
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Skylink M-4 4-Zone Alert Alarm System- Works with up to 16 Wireless Sensors

Skylink M-4 4-Zone Alert Alarm System- Works with up to 16 Wireless Sensors

Skylink M-4 4-Zone Alert Alarm System- Works with up to 16 Wireless Sensors

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Zigbee Wireless Siren and Audio Detector in White (FFZB1-ECO) Smart Home Security Device, Long-Range Alarm Sensor, Compatible with Zigbee Hubs, Over 1 LB Ideal for Intrusion Detection and Home Au $81.59

Zigbee Wireless Siren and Audio Detector in White (FFZB1-ECO) Smart Home Security Device, Long-Range Alarm Sensor, Compatible with Zigbee Hubs, Over 1 LB Ideal for Intrusion Detection and Home Au
current price $81.59

Zigbee Wireless Siren and Audio Detector in White (FFZB1-ECO) Smart Home Security Device, Long-Range Alarm Sensor, Compatible with Zigbee Hubs, Over 1 LB Ideal for Intrusion Detection and Home Au

YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required) From $35.59

YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
Without Hub, variant on YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
with Hub, variant on YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
Options
From$3559

YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)

4.8 out of 5 Stars. 11 reviews

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