Products
Hello

Combination Smoke & Carbon Monoxide Detectors

Categories

Combination Smoke & Carbon Monoxide Detectors

Price

Brands

BRK Brands SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup (12 Pack)

$559.99

Avg. Savings $10.83
Kidde KN-COPE-I AC Wire-in Combo CO/Photo Smoke Alarm (21007624)

$144.00

View Deals
BRK Brands HD6135FB Hardwire Heat Alarm with Battery Backup

$28.04

View Deals
Kidde KN-COB-IC Hardwire Carbon Monoxide Alarm with Battery Backup, Interconnectable

$41.07

Avg. Savings $14.15
First Alert PRC710 Frust Free 10-Year Combination Carbon Monoxide and Photoelectric Smoke Detector

$54.99

View Deals
First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery Backup, SC9120LBL

$62.89

Avg. Savings $18.34
First Alert FG250B Dual Ionization Smoke Alarm with 9-volt Battery

$36.99

Avg. Savings $8.66
First Alert SCO500B OLCOMBOV Wireless Interconnect Smoke and Carbon Monoxide Combo Alarm with Voice & Location, Frust Free

$53.69

View Deals
BRK Brands CO5120BN Hardwire Carbon Monoxide Alarm with Battery Backup

$34.87

View Deals
Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System

$51.00

Avg. Savings $22.75
Kidde i12010SCO Smoke and Carbon Monoxide Alarm

$139.00

View Deals
Kidde P4010DCSCO-W 10-Year Worry Free Battery Wireless Combination CO and Smoke Alarm (2)

$299.99

View Deals
Kidde 21010073 Worry Free Carbon Monoxide Alarm For Living Area with 10 Year Sealed Lithium Battery

$67.55

Avg. Savings $12.56
KIDDE WORRY-FREE AC WIRE-IN SMOKE AND CARBON MONOXIDE ALARM, 5-1/2 IN., 120 VOLTS, 85 DB, 1/EA

$119.99

View Deals
Onelink Wi-Fi Smoke + Carbon Monoxide Alarm, Hardwired, Apple HomeKit-enabled

$139.99

Avg. Savings $66.03
BRK SC9120B Smoke and Carbon Monoxide Alarms and Detectors Lot of 10

$439.99

View Deals
Kidde Fire Night Hawk Combo Smoke/Carbon Mon Alarm

$46.50

Avg. Savings $4.95
Onelink Wi-Fi Smoke + Carbon Monoxide Alarm, Battery, Apple HomeKit-enabled

$80.77

View Deals
Kidde KN COPE D Battery Operated Photo Electric Combo Smoke and Carbon Monoxide Talking Alarm

$60.00

View Deals
First Alert 2-in-1 Z-Wave Smoke & Carbon Monoxide Alarm, Cert ID: ZC08-13060006

$29.00

View Deals
Combo Smoke and Carbon Monoxide Detector Battery Operated with Digital Display, Combination Fire and Co Alam for Home& Kitchen

$18.81

Avg. Savings $3.37
2-Pack BRK CO5120BN Carbon Monoxide Detector

$93.21

View Deals
Nest Protect 2nd Gen Smoke + Carbon Monoxide Alarm, Battery

$79.99

View Deals
First Alert PRC710 10-Year Combination CO & Photoelectric Smoke 2-Pack

$66.50

Avg. Savings $13.64
FATSCO501CN3ST - FIRST ALERT SCO501CN-3ST ONELINK Battery Operated Combination Smoke Carbon Monoxide Alarm with Voice Location

$88.33

View Deals
Kidde KN-COB-LCB-A Tamper Resistant Plug-In Carbon Monoxide Alarm with Battery Backup, 6-Pack

$220.44

View Deals
Brk Smoke & Carbon Monoxide Alarm W/Voice Photoelectric 120 V 85 Db 2"

$554.99

View Deals
Roost 900-00001 Smart Battery for Smoke Alarms (Single Pack)

$34.99

View Deals
Gentex GN-503 Smoke & Carbon Monoxide Alarm, 120V Hardwired Interconnectable Photoelectric w/9V Battery Backup & T3 & T4 Horns (918-0005-002)

$58.15

View Deals
OLCOMBOV Wireless Interconnect Smoke and Carbon Monoxide Combo Alarm with Voice & Location

$74.50

View Deals
First Alert/brk Brands FG200 "Family Gard" Battery Operated Smoke Alarm with 9 Volt

$9.99

Avg. Savings $0.92
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup * BOX OF 12 *

$528.00

View Deals
Kidde KN-SMFM-i Silhouette Hardwire Low Profile Smoke Alarm

$299.00

View Deals
First Alert 2 in 1 Photoelectric Battery-Operated Carbon Monoxide Alarm and Smoke Detector White

$29.97

Avg. Savings $13.01
First Alert – Onelink Smart Hardwired Smoke + Carbon Monoxide Alarm with 10-Year Battery Back-Up, Works with Alexa

$159.99

View Deals
First Alert PC900V 2 in 1 Photoelectric Battery-Operated Carbon Monoxide Alarm and Smoke Detector with Voice Alert

$38.97

View Deals
First Alert PC910V Frust Free 10-Year 2 In 1 Photoelectric Smoke and Carbon Monoxide Alarm with Voice Alert

$54.99

View Deals
First Alert 2-in-1 Z-Wave Smoke Detector & Carbon Monoxide Alarm (2 Pack)

$123.49

View Deals
Kidde Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm

$30.12

Avg. Savings $10.13
First Alert Battery-Operated Carbon Monoxide Alarm and Smoke Detector (Works with Iris)

$90.83

View Deals
Kidde P3010K-CO Worry-Free Kitchen Smoke and Carbon Monoxide Alarm with 10 Year Sealed Battery (4 Pack)

$116.68

View Deals
Air Products and Controls SL-2000-P Duct Smoke Detector, Hardwired Photoelectric Sensor

$149.00

Avg. Savings $30.74
Kidde KN-COB-B-LPM Battery Operated Carbon Monoxide Detector, 6-Pack

$170.04

View Deals
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup by BRK

$32.90

Avg. Savings $1.96
BRK Electronics SCO2B Smoke and Carbon Monoxide Alarm with 9V Battery (4 Pack)

$109.98

View Deals
Ionization Smoke Alarm

$17.50

Avg. Savings $3.09
Smoke Alarm Adapter

$11.12

Avg. Savings $3.24
First Alert PRC700 Battery Operated Combination Carbon Monoxide & Photoelectric Smoke Alarm with Slim Round

$24.46

View Deals
2 Pack OfKidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm

$100.92

View Deals

Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.

© 2026 Capital One Shopping

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsCapital One
Get Capital One ShoppingResearchSitemap

© 2026 Capital One Shopping

Capital One Shopping gets you better offers and automatically applies coupon codes at checkout.

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsResearchCapital OneSitemap