Combination Smoke & Carbon Monoxide Detectors - Page 3 - Blowout Sale! Save up to 68%


Blowout Sale! Up to 68% off on Combination Smoke & Carbon Monoxide Detectors at Defy Now, Page 3. Top brands include Shackcom, Kidde, Firstbuy, Elvicto, MIXSight, First Alert, Aspiring, BRK Brands, & Universal Security Instruments. Hurry! Limited time offers. Offers valid only while supplies last.



Shackcom Combination Smoke and Carbon Monoxide Detector Alarm, Protect Your Home from Fire and Gas Leaks, Even When You're Away, Battery Operated (Second Generation)
Shackcom Combination Smoke and Carbon Monoxide Detector Alarm, Protect Your Home from Fire and Gas Leaks, Even When You're Away, Battery Operated (Second Generation)
By Shackcom
In Stock
$19.99

mpn: JJKTX3CSK1-USFBA, ean: 0747150217147,

4.2 out of 5 stars with 135 reviews
Introduction: Thank you for purchasing Shackcom CO and smoke alarm which equipped with two sensors, CO sensor and smoke sensor. This is one single station alarm. Features: Loud 85 decibel alarm The alarm sound pattern is 4 short alarm beeps for CO alarm and continuous beeps for smoke alarm. The red LED will flash while in alarm mode One 'chirp' every 40 seconds is an indication that the battery is low (need replacement) Test/Reset button to test the unit electronics and verifies proper unit


Kidde 120-Volt Hardwire Combination Photoelectric Smoke and Carbon Monoxide Alarm with Adapter
Kidde 120-Volt Hardwire Combination Photoelectric Smoke and Carbon Monoxide Alarm with Adapter
By Kidde
In Stock
$71.22

mpn: 21027290, ean: 0047871272907,

4.1 out of 5 stars with 41 reviews
Kidde Front-Load Combination Smoke and Carbon Monoxide alarm offers protection from 2 hazards - fire and CO - in 1 unit. Sold under the FireX brand, this AC-wire with battery backup alarm emits a beeping tone followed by a voice warning that clearly announces the danger by saying, Fire, Fire or Warning Carbon Monoxide. Adapters are included for ease of install with other hardwired alarms (Kidde, FireX, First Alaert, BRK). Voice warning - supplements warning from the traditional 85db alarm by


Carbon Monoxide Gas Detection, Firstbuy Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, White
Carbon Monoxide Gas Detection, Firstbuy Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, White
By Firstbuy
In Stock
$39.99
$12.99
You Save: 68%

mpn: CO-WE, ean: 0757440846834,

4.5 out of 5 stars with 98 reviews
Test the alarm First: Step 1: press the test button for 5s (A single silence and test button eliminates confusion and allows you to silence and test the alarm easily) Step 2: the unit will sound 4 beeps every 5s twice & Red LED flashes & LCD display ''000'' (3 min), that shows the unit in a normal situation. Low Power warning:  Carbon Monoxide Alarm alerts you to dangerous carbon monoxide,even in the event of a power outage. IF the alarm is low power,you can find the situation Sound:''Chirp''


Combination Photoelectric Smoke and Carbon Monoxide Detector for Home, Travel Portable Fire&Co Alarm Battery Operated with Sound Warning and Digital Display
Combination Photoelectric Smoke and Carbon Monoxide Detector for Home, Travel Portable Fire&Co Alarm Battery Operated with Sound Warning and Digital Display
By Elvicto
In Stock
$28.99
$20.99
You Save: 28%

ean: 0673169933665,

4.9 out of 5 stars with 100 reviews
Specifications:Dimension: Approx. 11.4x 3.5cm/ 4.89x 1.38 ''Power Supply: 1 x 9V alkaline 6LR61 or carbon zinc battery 6F22CO: Sensitivity & timeSmoke: 1%~5%/ FT OBSStandby Current:Combo smoke detector/carbon monoxide alarm detects two threats. Electrochemical CO sensor alerts you to carbon monoxide danger. Photoelectric sensor detects smoke while minimizing false alarms. Battery-operated unit installs quickly and easily without an electrician. A single button tests the unit or silences the


Kidde P3010K-CO Worry-Free Kitchen Photoelectric Smoke and Carbon Monoxide Alarm with 10 Year Sealed Battery (2 Pack)
Kidde P3010K-CO Worry-Free Kitchen Photoelectric Smoke and Carbon Monoxide Alarm with 10 Year Sealed Battery (2 Pack)
By Kidde
In Stock
$49.97
$40.00
You Save: 20%

mpn: 047871096671, ean: 0047871096671,

4.0 out of 5 stars with 29 reviews
Kidde Worry Free 10 year Smoke Alarms are powered by sealed, 10 Year lithium battery (the life of the alarm), meaning the alarm is always on. The alarm features a unique sensor algorithm that detects real fires faster and reduces nuisance alarms. With a sealed, long-life lithium battery combination smoke and carbon monoxide alarm installed near the kitchen, where most potential sources of CO are located, you can enjoy peace of mind knowing your kitchen alarm is always on; 24 hours/day, seven


MIXSlight Smoke and Carbon Monoxide Detector Alarm,Battery Operated Carbon Monoxide CO Detector with Sound Warning and Digital Display,White
MIXSlight Smoke and Carbon Monoxide Detector Alarm,Battery Operated Carbon Monoxide CO Detector with Sound Warning and Digital Display,White
By MIXSight
In Stock
$59.99
$23.99
You Save: 60%

mpn: sbjq02,

4.2 out of 5 stars with 18 reviews
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KIDDE SAFETY KIDDE STROBE LIGHT CO&SMOKE
KIDDE SAFETY KIDDE STROBE LIGHT CO&SMOKE
By Kidde
In Stock
$93.99

mpn: SLED177I, ean: 0783961270247,

4.0 out of 5 stars with 7 reviews
Kidde SLED177i is used in conjunction with a smoke, heat or carbon monoxide alarm and provides a bright visual to warn of a smoke, heat or CO hazard. This strobe light benefits the hearing impaired, allowing a visual alert of a danger. This unit must be used with an existing KIDDE alarm..


Kidde KN-COSM-IBA 21006377 Hardwire Combination Smoke/Carbon Monoxide Alarm, 2-pack
Kidde KN-COSM-IBA 21006377 Hardwire Combination Smoke/Carbon Monoxide Alarm, 2-pack
By Kidde
In Stock
$71.99

mpn: KN-COSM-IBA, ean: 0715050904740,

4.3 out of 5 stars with 66 reviews
Kidde KN-COSM-IBA 21006377 Hardwire Combination Smoke/Carbon Monoxide Alarm, 2-packTalking alarm announces the hazard type detected, helping to speed up reaction time. Combined carbon monoxide and smoke alarm, a single unit can be installed where previously two were needed. Battery safeguard ensures the unit cannot be accidentally mounted without batteries. Test-reset button tests alarm circuitry and triggers the voice announcement. Meets safety standards set by Underwriters Laboratories (UL)


Kidde 21010625 Battery Operated Wireless Interconnected Combination Smoke & Carbon Monoxide Alarm
Kidde 21010625 Battery Operated Wireless Interconnected Combination Smoke & Carbon Monoxide Alarm
By Kidde
In Stock
$62.90

mpn: 21010625, ean: 0047871106257,

4.6 out of 5 stars with 100 reviews
Kidde wireless smoke and carbon monoxide detector. Kidde smoke and carbon monoxide detector. model: 21010625. Item is manufactured in China. Battery operated wireless interconnected combination smoke & carbon monoxide alarm.AA batteries required (best with Polaroid AA batteries). Kidde smoke and Carbon monoxide detector. Model: 21010625. Item is made in China. Battery operated wireless interconnected combination smoke & Carbon monoxide alarm.


Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup and Voice Warning, Interconnectable
Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup and Voice Warning, Interconnectable
By Kidde
In Stock
$35.10
$32.49
You Save: 7%

mpn: 21026041, ean: 0047871260416,

4.7 out of 5 stars with 90 reviews
This combination smoke/CO alarm features an 85dB horn and voice that announces ''Fire'', ''Carbon Monoxide'', and ''Low Battery'' warnings when detected. It can also interface with other Kidde interconnectable alarms.• Meets NFPA 72 standards Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, Up to 24 Units Interconnection Capability, Power Source 120VAC, 9V, Audible Alert 85dB @ 10 ft., Horn, Visual Alert Red LED, Diameter 5-3/4 In., Height 1-3/4 In., Digital


First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm, Battery Operated (.2 PACK)
First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm, Battery Operated (.2 PACK)
By First Alert
In Stock
$93.00
$78.74
You Save: 15%

ean: 0600192414458,

4.2 out of 5 stars with 132 reviews
Battery-operated combination smoke and carbon monoxide alarm. Photoelectric smoke sensing technology & electrochemical CO sensing technology. Simple to use silence/test button; low battery warning; Does not contain voice feature. Includes 2 AA batteries; 7 year limited warranty. Tested to the highest industry standards, meets UL safety standards.


Kidde Fire and Safety : Smoke Alarm, Flashing LED, 9V Battery Included, White -:- Sold as 2 Packs of - 1 - / - Total of 2 Each
Kidde Fire and Safety : Smoke Alarm, Flashing LED, 9V Battery Included, White -:- Sold as 2 Packs of - 1 - / - Total of 2 Each
By Kidde
In Stock
$30.21

mpn: KID4403742PACK,

4.0 out of 5 stars with 127 reviews
Kidde Fire and Safety : Smoke Alarm, Flashing LED, 9V Battery Included, White Smoke alarm is easy to install. No wiring required. Features a quality design with flashing LED, test button and low battery indicator. Battery operated (9V battery included).:Manufactured by.: Kidde Fire and SafetySold as .: 2 Packs of - 1 - / - Total of 2. Manufactured by.: Kidde Fire and Safety.


First Alert SCO7CN-C Battery-Operated Child-Awakening Combination Photoelectric Smoke and Carbon Monoxide Alarm with Voice and Location
First Alert SCO7CN-C Battery-Operated Child-Awakening Combination Photoelectric Smoke and Carbon Monoxide Alarm with Voice and Location
By First Alert
In Stock
$64.00

mpn: SCO7CN-C, ean: 0029054009760,

4.6 out of 5 stars with 43 reviews
The First Alert SCO7CN-C Battery-Operated Child-Awakening Combination Smoke and Carbon Monoxide Alarm with Voice and Location delivers both smoke and carbon monoxide detection in a single unit. Equipped with a photoelectric sensor, the alarm detects smoke produced by smoldering fires while keeping false alarms to a minimum. The unit also features an advanced electrochemical sensor that detects carbon monoxide leaks from multiple sources such as faulty fuel-burning appliances and blocked


Nighthawk AC Plug-in Operated Carbon Monoxide Alarm with Digital Display  KN-COPP-3
Nighthawk AC Plug-in Operated Carbon Monoxide Alarm with Digital Display KN-COPP-3
By Kidde
In Stock
$69.99
$29.99
You Save: 57%

mpn: 900-0076, ean: 5526680000765,

4.8 out of 5 stars with 114 reviews
Digital Display – Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds Protect your family from the dangers of carbon monoxide (CO) exposure with the Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display. The Nighthawk is an easy-to-install unit that provides reliable protection against the dangers of CO. It features a digital display that shows CO levels in parts per million allowing you to see if,


Air Quality Monitor Detector Tester Pollution Voice Warning Smart Home Automation Indoor HCHO TVOC PM2.5 High Precision
Air Quality Monitor Detector Tester Pollution Voice Warning Smart Home Automation Indoor HCHO TVOC PM2.5 High Precision
By Aspiring
In Stock
$51.99
$39.99
You Save: 23%

mpn: AS-aqm008, ean: 0661748937500,

4.3 out of 5 stars with 75 reviews
Air Quality Monitor Detector Tester Pollution Voice Warning Smart Home Automation Indoor HCHO TVOC PM2.5 Data Logger High Precision Plug-and-Play Product description: Product size: 65x32x31mm Inner box: 70x35x140mm Power: DC5V/300mA Indicator 1. Green light: good air (pollution index appreciation less than 50) Take action:No pollution, you can live in peace 2. Yellow light: light pollution (pollution index appreciation less than 100) Take action:Pay attention to indoor ventilation 3.


First Alert Sc9120b 120 Volt Smoke & Carbon Monoxide Alarm With Battery Backup
First Alert Sc9120b 120 Volt Smoke & Carbon Monoxide Alarm With Battery Backup
By BRK Brands
In Stock
$29.97

mpn: FBA_SC9120B, ean: 0029054513069,

4.5 out of 5 stars with 9 reviews
SC9120B - 120V AC/DC Smoke/CO Combo Alarm - Hardwired ionization/CO combination alarm meets new construction requirements. 10 year CO Sensor/10 year End of Life. Electrochemical Carbon Monoxide Sensor - the most accurate sensor available as compared to other sensing technologies. 9V Alkaline Battery Backup. Latching alarm indicator - remembers which unit initiated an alarm. Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance


First Alert COMBOV Combination DC Smoke & Carbon Monoxide Alarm with Voice Alert
First Alert COMBOV Combination DC Smoke & Carbon Monoxide Alarm with Voice Alert
By First Alert
In Stock
$47.99

mpn: COMBOV, ean: 0029054013170,

4.1 out of 5 stars with 23 reviews
All in one combo smoke/fire & Carbon Monoxide detector. Maximum protection in a new Slim design. it's protection at its finest. the new slim design adds an element of style to safety. Half the size of the standard alarm with all the protection needed to help keep what matters most safe and secure.Voice & Location Tech: Sounds Alarm and tells you the location and potential danger.. 2 in 1 combo alarm: More protection in one alarm, smoke/fire & Carbon Monoxide. New slim design: half the height of


Universal Security Instruments USI Hallway 10 Year Tamper Proof Permanent Power Sealed Battery 2-in-1 Photoelectric Smoke & Carbon Monoxide Smart Alarm (MPC322SB)
Universal Security Instruments USI Hallway 10 Year Tamper Proof Permanent Power Sealed Battery 2-in-1 Photoelectric Smoke & Carbon Monoxide Smart Alarm (MPC322SB)
By Universal Security Instruments
In Stock
$58.64

mpn: MPC322SB, ean: 0042741303224,

4.1 out of 5 stars with 93 reviews
Nothing is more important than the safety of your family. The Universal Security Instruments MP316SB Photoelectric Smoke and Fire Alarm provides 10 years of continuous protection against deadly threats. Universal Security Instruments are the only lithium-free 10 Year Sealed battery alarms. We’re powered by Duracell Duralock Power Preserve alkaline batteries, ensuring a safer and more eco-friendly product. 10 Year Permanent Power saves money while eliminating low battery chirps and reducing


First Alert BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup
First Alert BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup
By First Alert
In Stock
$30.99
$24.79
You Save: 20%

mpn: SC9120B, ean: 0029054015341,

4.6 out of 5 stars with 64 reviews
This First Alert SC9120B Hardwired Smoke and Carbon Monoxide Detector includes a 9-volt battery backup that continues to protect you in the event of a power failure. The alarm features electrochemical CO sensing technology, an ionization sensor for smoke detection, and an 85-decibel alarm. One button silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects smoke or carbon monoxide. The latching alarm indicator automatically identifies which


2 Pack of - First Alert SC7010B Hardwire Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup
2 Pack of - First Alert SC7010B Hardwire Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup
By First Alert
In Stock
$99.99

mpn: SC7010B-2, ean: 0635231840844,

4.6 out of 5 stars with 134 reviews
Product Description The First Alert BRK SC7010B hardwire combination smoke and carbon monoxide alarm with battery backup is a hardwire 120V single or multiple station smoke and CO alarm designed for residential home use and institutional locations such as hospitals, hotels, motels, dormitories and other multiple family dwellings. This alarm is inter-connectable and can be installed and linked with up to 18 compatible devices (up to 12 smoke alarms and 6 compatible devices like bells, horns and



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