Best Smoke Carbon Monoxide Detector - April 2024

First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Hardwired with Battery Backup, BRK SC7010B

The First Alert SC7010B Hardwired Combination Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup delivers both smoke and carbon monoxide detection in a single unit. Equipped with a photoelectric sensor and Optipath 360 technology, 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 chimneys. If a threat is detected, the alarm emits a spread spectrum horn tone that is designe... [Read More]

• ASIN: B0080I9TJ2
• UPC: 029054022806
• ASIN: B0080I9TJ2
• Brand: First Alert
• Size: 1 pack
• Manufacturer: First Alert

First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN

• ASIN: B000MXJ498
• UPC: 704335118101
• ASIN: B000MXJ498
• Brand: First Alert
• Size: 1 Pack
• Manufacturer: First Alert

Kidde Hardwire Combination Smoke/Carbon Monoxide Detector Alarm with Battery Backup and Voice Warning, Interconnectable | Model KN-COSM-IBA

• ASIN: B00PC5RQPA
• UPC: 047871260416
• ASIN: B00PC5RQPA
• Brand: Kidde
• Size: 1 Pack
• Manufacturer: Kidde

Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm (3-Pack)

The Kidde KN-COSM-BA Combination Carbon Monoxide & Smoke Alarm provides two important safety devices in a single unit. This alarm includes a voice warning system that announces "Fire, Carbon Monoxide, Low Battery and Smart Hush Activation." The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement. This technologically advanced combination alarm is battery operated protecting you and your family even during a power outage when many incidences occur. The KN-COSM-BA is an easy to install alarm... [Read More]

• ASIN: B07QKQBBWV
• ASIN: B07QKQBBWV
• Brand: Kidde
• Size: 3-Pack
• Manufacturer: Kidde

Kidde Worry-Free 120V Hardwired Smoke & Carbon Monoxide Detector Alarm with Lithium Battery Backup | Model I12010SCO

The Kidde i12010SCO is a hardwired combination smoke and carbon monoxide alarm that contains a 10-year, sealed battery backup. This alarm uses breakthrough technology to offer a fast response to real fires, including smoldering and fast-flaming, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms. The Intelligent sensor technology combines the detection capabilities of an ionization smoke sensor – which is more likely to detect smaller, less visible fire particles, like those produced by flaming fires – with that of an electrochemical sensor, w... [Read More]

• ASIN: B00XABHHTS
• UPC: 783325913490
• ASIN: B00XABHHTS
• Brand: Kidde
• Size: 1 Pack
• Manufacturer: Kidde Safety

First Alert 2-in-1 Z-Wave Wireless Smoke Detector & Carbon Monoxide Alarm, Battery Operated

This easy-to-install First Alert Z-Wave ZCOMBO-G Smoke and Carbon Monoxide Alarm is designed for compatibility with certified First Alert enabled Z-Wave Devices. It can send you mobile alerts in the event of an emergency and includes an insect-screened photoelectric smoke sensing chamber, an electrochemical carbon monoxide sensor, an 85-decibel horn, a tamper-resistant battery door, and a single test/silence button. This alarm is specifically designed for residential and institutional applications such as sleeping areas in hospitals, hotels, dorms, and multifamily dwellings defined in standard... [Read More]

• ASIN: B00KMHXFAI
• UPC: 029054013026
• ASIN: B00KMHXFAI
• Brand: First Alert
• Size: 1 pack
• Manufacturer: First Alert

Nest S3000BWES Nest Protect 2nd Gen Smoke + Carbon Monoxide Alarm, Battery (Battery)

There’s never been a smoke and CO alarm quite like this. Nest Protect looks for fast-burning fires, smoldering fires, and carbon monoxide. It also speaks up when there’s a problem, can be hushed from your phone, and it will even message your phone in case you’re not home

• ASIN: B00XV1RCRY
• UPC: 854448003679
• ASIN: B00XV1RCRY
• Brand: NESTC
• Size: 1
• Manufacturer: Nest Labs

Kidde KN-COSM-IBA 21006377A Hardwire Combination Carbon Monoxide and Smoke Alarm with Battery Backup and Voice Warning, Interconnectable * BOX OF 6 *

CARBON MONOXIDE AND SMOKE ALARM COMBO

• ASIN: B00P61HIXA
• ASIN: B00P61HIXA
• Brand: Kidde
• Size: 6 Pack
• Manufacturer: Kidde

Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup and Voice Warning, Interconnectable (3-Pack, White)

The Kidde KN-COSM-IBA uses breakthrough technology to offer a fast response to real fires, including smoldering and fast-flaming, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms.The Intelligent sensor technology combines the detection capabilities of an ionization smoke sensor - which is more likely to detect smaller, less visible fire particles, like those produced by flaming fires - with that of an electrochemical sensor, which is used to detect CO.Since carbon monoxide is present in all fires, having both detection chambers work together in ... [Read More]

• ASIN: B07B8VGHJH
• UPC: 088685292194
• ASIN: B07B8VGHJH
• Brand: Kidde
• Size: 3 Pack
• Manufacturer: Kidde

Kidde 900-0076-01 KN-COPP-3 Nighthawk Plug in Carbon Monoxide Detector Alarm

• ASIN: B00002N86A
• UPC: 784908007605
• ASIN: B00002N86A
• Brand: Kidde
• Size: 1 Pack
• Manufacturer: Kidde

Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector, Protect Your Home from Fire and Gas Leaks, Even When You're Away, 9V Battery Operated (Two Pack)

This combination smoke/CO carbon alarm features an 85dB horn when detected. Meets NFPA 72 standards Smoke and Carbon Monoxide Alarm, Electrochemical, Audible Alert 85dB @ 10 ft., Horn,Reset Button, Hush Button Yes, Locking Pin Yes, Operating Temp. 40 Degrees to 100 Degrees F, Standards UL, Includes Mounting Anchors and Screws Features: * Battery low voltage tips *Automatic reset * Sound and light alarm * SMT industry, strong stability * MCU automatic processing technology to improve product stability Technical Parameters Working power: 9V battery（included） Quiescent current:

• ASIN: B07F8GPPL3
• ASIN: B07F8GPPL3
• Brand: Lecoolife
• Size: Two Pack
• Manufacturer: Lecoolife

Combination Smoke Detector and Carbon Monoxide Detector Alarm with Display | 10 Year Sealed Battery Operated | Easy Installation, Auto-Check, SC01

User-Friendly Design The LED indicator is lit by a stable, anti-glare light. This makes the unit totally suitable for use in the bedroom, as it will not interfere with your sleep. Malfunction and low battery warnings allow you to easily know the working status of the alarm.    Different Working Modes 1.When the unit is working normally, the LED indicator flashes green once every 60 seconds. 2.When the battery in the unit is low, the LED indicator flashes yellow and the alarm chirps once every 60 seconds. 3.When the unit detects dangerous smoke or CO levels, the LED indicator flashes red and... [Read More]

• ASIN: B07SFJD8L4
• UPC: 610825895417
• ASIN: B07SFJD8L4
• Brand: X-Sense
• Manufacturer: X-Sense

Nest S3000BWES Nest Protect 2nd Gen Smoke + Carbon Monoxide Alarm, Battery (Battery)

There’s never been a smoke and CO alarm quite like this. Nest Protect looks for fast-burning fires, smoldering fires, and carbon monoxide. It also speaks up when there’s a problem, can be hushed from your phone, and it will even message your phone in case you’re not home

• ASIN: B06ZZW7S9J
• UPC: 813917020135
• ASIN: B06ZZW7S9J
• Brand: NESTC
• Size: 3
• Manufacturer: Nest Labs

Nest S3000BWES Nest Protect 2nd Gen Smoke + Carbon Monoxide Alarm, Battery (Wired)

There’s never been a smoke and CO alarm quite like this. Nest Protect looks for fast-burning fires, smoldering fires, and carbon monoxide. It also speaks up when there’s a problem, can be hushed from your phone, and it will even message your phone in case you’re not home

• ASIN: B00XV1RD0K
• UPC: 854448003730
• ASIN: B00XV1RD0K
• Brand: NESTC
• Size: 1
• Manufacturer: Nest Labs

Kidde Nighthawk Plug-in Carbon Monoxide & Explosive Gas Detector Alarm with Digital Display | Model KN-COEG-3

• ASIN: B0002EVNJ6
• UPC: 783961021658
• ASIN: B0002EVNJ6
• Brand: Kidde
• Size: 1
• Manufacturer: Kidde

Arzil 2 In 1 Carbon Monoxide&Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated with Digital Display

This Arzil Combination Smoke and Carbon Monoxide Alarm provides two important safety devices in a single unit. Combination high accurate electrochemical sensor and photoelectric sensor, Electrochemical CO sensor alerts you to carbon monoxide danger, Photoelectric

• UPC: 272208306
• Model: 21627450
• Color: White
• Rating: 4.061

2 in 1 Carbon Monoxide&Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated with Digital Display for CO Level

This Arzil Combination Smoke and Carbon Monoxide Alarm provides two important safety devices in a single unit. Its battery operated to protect you and your family even during a power outage. This Asewin smoke and

• UPC: 665239209
• Rating: 4.333

2 in 1 Carbon Monoxide&Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated with Display for CO Level

This Arzil Combination Smoke and Carbon Monoxide Alarm provides two important safety devices in a single unit. Its battery operated to protect you and your family even during a power outage. This Asewin smoke and

• UPC: 843254757
• Rating: 4.0

First Alert SC9120B 120 Volt Smoke & Carbon Monoxide Alarm With Battery Backup

The First Alert BRK SC9120B Hardwired Combination Smoke and Carbon Monoxide Alarm uses an electrochemical CO sensing technology and Ionization sensor for smoke detection. It includes a 9-volt battery for continued function in the event

• UPC: 21782957
• Model: SC9120B
• Color: N/AOther
• Size: Alarm
• Rating: 4.8

Carbon Monoxide Alarm CO Carbon Monoxide Detector Battery Operated with Digital Display for CO Level

Features:1.2 in 1 Carbon Monoxide+Smoke Detector2.Adopt high reliability electrochemical sensor and infrared photoelectric sensor3.LCD liquid crystal display density4.3*AA 1.5V battery powered5.Low current consumption, long standby life6.Battery low battery prompt7.Alarm memory function8.Alarm pause (silent mode)9.Double warning

• UPC: 242529078
• Color: GrayCo+Smoke Detector Type 2
• Rating: 1.429

Arzil 2 in 1 Carbon Monoxide&Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated with Digital Display for CO Level

This combination smoke/CO alarm features an 85dB horn and voice that announces "Fire", "Carbon Monoxide", and "Low Battery" warnings when detected. Meets NFPA 72 standards Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, Up

• UPC: 143264986

Kidde Hardwired Combination Carbon Monoxide & Smoke Alarm, 120V AC / AA Battery Backup, Model KN-COSM-IBA

New Design Features: Front Load Battery For Easy Replacement, Now Requires 2 X Aa Batteries10 Year Alarm Life, 10 Year Warranty-Alarm Lasts 40% LongerEnd Of Life Hush Button''Intelligent'' Sensor Technology Reduces Nuisance AlarmsCompatible With Existing

• UPC: 42199974
• Model: 21006377-N
• Color: White
• Rating: 4.917

Amerteer 2 In 1 Carbon Monoxide&Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated for Home

This Amerteer Combination Smoke and Carbon Monoxide Alarm provides two important safety devices in a single unit. Combination high accurate electrochemical sensor and photoelectric sensor, Electrochemical CO sensor alerts you to carbon monoxide danger, Photoelectric

• UPC: 362531159
• Model: LNKO621
• Color: White
• Rating: 2.333

LCD CO Carbon Monoxide Smoke Detector Poisoning Gas Warning Sensor Alarm, Gas Alarm, Gas Sensor

Features:1.Loud 85 decibel alarm, permanent carbon monoxide sensor.2.Powered by 3 x 1.5V AA batteries.3.The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode.4.One 'chirp' every 30 seconds

• UPC: 245633907
• Rating: 2.444

2 in 1 Carbon Monoxide & Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Monoxide Detector Sound Combo Sensor Tester Battery Operated with Display for CO Level

Type 1: Co + Smoke Detector Type 2: Co Detector Features:1.2 in 1 Carbon Monoxide+Smoke Detector2.Adopt high reliability electrochemical sensor and infrared photoelectric sensor3.LCD liquid crystal display density4.3*AA 1.5V battery powered5.Low current consumption, long standby

• UPC: 279709232
• Color: GrayCo + Smoke Detector
• Rating: 1.0

4x 12V 24V DC Wired Smoke Detector Fire Alarm w/ NC NO Relay Output for security

• UPC: 332066863029
• Category: Smoke & Gas Detectors
• Price: 48 USD

5x Wired Smoke Detector NC NO 9-35V Fire Security Sensor Optical Smoke Alarm

• UPC: 332031198076
• Category: Smoke & Gas Detectors
• Price: 59 USD

2x Wired Industrial Smoke Detector Boat Machine Boiler Drying Motor Aging Room

• UPC: 332144710852
• Category: Smoke & Gas Detectors
• Price: 38 USD

2pcs NC NO Dry Contact Relay Output Fire Alarm Photoelectronic Smoke Detector

• UPC: 332066856660
• Category: Smoke & Gas Detectors
• Price: 26 USD

2x 100-240V AC Powered Smoke Detector & Fire Alarm Sensor With Battery Backup

• UPC: 332031198084
• Category: Smoke & Gas Detectors
• Price: 25 USD

Abus Smoke Alarm Smoke Detector Rwm 50 Best Offers Successor to RM 10

• UPC: 362827403370
• Category: Smoke & Gas Detectors
• Price: 26 GBP

Smoke Alarm Detector Hardwired Fire Combo Sensor Battery 9V best Fast Free New

• UPC: 362610789024
• Category: Smoke & Gas Detectors
• Price: 16 USD

Abus RC Smoke Alarm Smoke Detector RM 40 Li RC Best Offers New

• UPC: 362827403408
• Category: Smoke & Gas Detectors
• Price: 35 GBP