Best First Alert Wireless Alarms In May 2025

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Looking for some of the Best First Alert Wireless Alarms? As you may know, there are dozens of similar products out there and some come with vastly different price tags. Let us help you out here – we have handpicked for you the Best First Alert Wireless Alarms.

To help you in your search, we have completed this list of the Best First Alert Wireless Alarms.

Top Rated Best First Alert Wireless Alarms Of 2025

Rank	Product Name	Score
1	First Alert SCO7CN Battery-Operated Talking Combination Smoke and Carbon Monoxide Alarm with Voice Buy Now	9.7 Buy Now
2	First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric Sensor and Ionized Alarm Buy Now	9.5 Buy Now
3	First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice Buy Now	9.1 Buy Now
4	Smoke Alarm, Wireless Battery Buy Now	8.8 Buy Now
5	First Alert ZCOMBO 2-in-1 Smoke Detector & Carbon Monoxide Alarm, Z-Wave Combo Buy Now	8.6 Buy Now
6	First Alert Smoke Detector Alarm | Battery Powered with Wireless Interconnect | 2-Pack Buy Now	8.3 Buy Now
7	First Alert Smoke Detector and Carbon Monoxide Detector Alarm with Built-In 10-Year Battery Buy Now	8.1 Buy Now
8	First Alert WA100-3 Water Alarm for Leak Detection and Flood Alerts, 3-Pack Buy Now	7.8 Buy Now
9	First Alert Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST Buy Now	7.5 Buy Now
10	First Alert Dual Sensor Smoke and Fire Alarm, SA3210 Buy Now	7.2 Buy Now

1. First Alert SCO7CN Battery-Operated Talking Combination Smoke and Carbon Monoxide Alarm with Voice

• Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
• First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)
• Keep your family safe with this talking battery operated smoke and carbon monoxide alarm, it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house
• Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
• Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre programmed locations in your home
• Simple to use, with a single test/silence button, and ez access battery drawyer allows you to change battery without removing alarm from ceiling

2. First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric Sensor and Ionized Alarm

• Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
• A single button makes alarm easy to test monthly or silence during a false alarm.temperature range:40f (4c) to 100f (38c)
• Hardwired alarm includes battery backup for power outages
• Two latching features help indicate a low battery or the originating alarm in a system
• Photoelectric and ionization sensors provide comprehensive fire detection
• Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires

3. First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice

• Battery operated carbon monoxide smoke alarm can be installed easily
• Multiple alarms can be connected to create a wireless safety network (additional alarms sold separately)
• First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)
• One button silences a false alarm and tests the unit
• Photoelectric smoke sensor and electrochemical co sensor
• Voice alarm gives clear indication of where the problem is located

4. Smoke Alarm, Wireless Battery

• Brk-first alert sa511b wireless onelink smoke alarm, aa battery powered, white

5. First Alert ZCOMBO 2-in-1 Smoke Detector & Carbon Monoxide Alarm, Z-Wave Combo

• Includes an 85 decibel horn, single test/silence button, side access to a tamper resistant battery door, and pins that lock the alarm to the mounting bracket
• Help keep your family safe with this battery powered smoke and carbon monoxide detector alarm
• Certified to work with smart home systems such as ring alarm security system, samsung smart things, and nexia home intelligence when connected to a z wave gateway hub (sold separately, consult hub manufacturer to ensure compatibility with this first alert device), not compatible with wink or onelink
• Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam
• Unit uses wireless z wave technology to send mobile alerts if the alarm goes off, so you are aware whether you're at home or away
• 7 year limited warranty, meets ul217 & ul2034 standards

6. First Alert Smoke Detector Alarm | Battery Powered with Wireless Interconnect | 2-Pack

• Battery powered alarm requires no rewiring for installation and provides continued monitoring even if there's a power failure, use with polaroid aa batteries for best results
• Help keep your family safe with these battery operated smoke alarms that wirelessly interconnect with each other and other first alert enabled alarms so that all sound when one is activated, creating a home safety network, comes in a pack of 2 alarms
• Wirelessly connect upto 18 first alert enabled alarms for the maximum in whole home protection, includes test/silence button, low battery warning, end of life timer
• Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires, helps minimize the number of false alarms
• Voice alarm with 11 programmable locations tells you where the danger is so you can choose the best evacuation route, loud, 85-decibel siren sounds to alert you to danger
• First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)

7. First Alert Smoke Detector and Carbon Monoxide Detector Alarm with Built-In 10-Year Battery

• Complies with all current 10 year legislation in u. s. states/cities where required
• A loud 85 decibel alarm sounds when carbon monoxide, and smoke levels begin to rise
• Rigorously tested to meet ul standards
• Features electrochemical carbon monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires, helps minimize the number of false alarms
• Features a sleek, low profile design to blend more fully into the wall and out of sight
• First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)

8. First Alert WA100-3 Water Alarm for Leak Detection and Flood Alerts, 3-Pack

• Water alarm helps detect unwanted water
• Great for early detection of leaking appliances or external flooding
• Loud 85-decibel alarm designed to be heard easily
• Sensor can be placed up to 6 feet away from alarm unit
• Includes three water detectors and three 9-volt batteries

9. First Alert Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST

• Hardwired alarm includes 2 aa backup batteries for continued monitoring in the event of a power outage
• Includes test/silence button, low-battery warning, ez access battery door
• First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)
• Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires, helps minimize the number of false alarms
• Wirelessly connect up to 18 first alert enabled alarms for the maximum in whole-home protection
• Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other first alertenabled alarms to create a home safety network

10. First Alert Dual Sensor Smoke and Fire Alarm, SA3210

• Loud 85 decibel siren sounds to alert you to danger
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• Complies with all current 10 year legislation in u.s. states/cities where required
• Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires
• The 10 year lithium ion battery offers continuous power for the life of the alarm and provides continued monitoring even if there's a power failure
• Meets ul217 standards and complies with legislative requirements for 10 year battery operated smoke alarms