Worried about safety at home? The right smoke and carbon monoxide alarm can protect your loved ones in seconds.
Introducing the **First Alert SC5**, a reliable choice for *keeping your home safe from smoke and carbon monoxide*. This alarm ensures your peace of mind with its advanced detection technology.
Plus, its smart features allow real-time alerts directly to your smartphone, making it a time-saving addition to your home safety system.
We tested durability, ease of use, and more to ensure you get the best protection possible.


First Alert Smart Smoke & CO Alarm
First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm: 5” wide, ABS plastic, 10-year warranty.
Benefits
- Sends alerts to your phone if smoke or CO is detected.
- Interconnects with other compatible alarms to ensure safety throughout your home.
- Voice alerts provide specific information about the type and location of danger.
- Precision Detection Technology minimizes false alarms.
Drawbacks
- No battery backup option, which may be a concern during power outages.
A practical pick for homeowners seeking reliable safety solutions.
To buy this product, click here.
First Alert Hardwire Smoke & CO Alarm
First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm: 1-Pack, compatible with Google’s Nest Protect, hardwired with battery backup, voice alerts, Precision Detection Technology.
Benefits
- Sends alerts to your phone if smoke or CO is detected.
- Interconnects with other compatible alarms, ensuring all alarms sound together.
- Battery backup provides continuous protection during power outages.
- Voice alerts offer a Heads-Up warning, indicating the type and location of danger.
- Precision Detection Technology reduces nuisance alarms while providing early warnings.
- Quick Connect Plug allows for easy installation and replacements without rewiring.
Drawbacks
- No battery-only option for those who prefer a completely wireless setup.
This smoke and carbon monoxide alarm is a practical pick for small spaces where safety is a priority. Its smart features and reliable alerts make it an excellent choice for modern homes.
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X-Sense Smart Smoke and CO Detector Combo
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo: 3-pack, replaceable battery, compatible with 2.4 GHz Wi-Fi, 10-year lifespan.
Benefits
- Real-time notifications keep you informed of alarms and low battery alerts via the X-Sense Home Security app.
Drawbacks
- Incompatible with 5.0 GHz Wi-Fi networks, limiting connectivity options.
This smoke and carbon monoxide detector offers decade-long safety with precision detection through its advanced sensors. The option for a premium subscription provides fast fire dispatch within just 3 seconds, ensuring immediate response in emergencies. The ability to share device access with up to 12 family members enhances the safety net around your home.
However, it’s important to note that the device does not connect to a base station, and each unit operates individually within the app. Additionally, the lack of compatibility with 5.0 GHz networks could be a drawback for users with modern routers.
A practical pick for small spaces, the X-Sense Smart Smoke and CO detector is ideal for those seeking reliable home safety without the complexity of hardwiring. Its compact design and easy installation make it suitable for apartments and smaller homes, providing peace of mind in a user-friendly package.
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X-Sense Smoke and CO Detector Combo
X-Sense Combination Smoke and Carbon Monoxide Detector: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
Drawbacks
- No dishwasher-safe parts.
The X-Sense Combination Smoke and Carbon Monoxide Detector is a reliable safety device designed for modern homes. Its ability to connect with the X-Sense Home Security App provides real-time alerts, ensuring you are always informed about potential dangers. The talking alarm feature is particularly impressive, as it clearly specifies the location of any detected smoke or carbon monoxide, allowing for quick response times.
Installation is straightforward, and the ultra-slim design makes it easy to integrate into your home without being obtrusive. The 10-year lifespan of the sensors and the replaceable battery ensure long-term reliability, adding to its value. Furthermore, the option for 24/7 professional monitoring via the Protect+ Premium subscription provides additional peace of mind, with rapid emergency response capabilities.
However, it is important to note that the device is not dishwasher safe, which may be a consideration for some users. Overall, the X-Sense Combination Detector is a practical pick for small spaces, combining essential safety features with user-friendly technology, making it an excellent choice for those looking to enhance their home safety.
To buy this product, click here.
Google Nest Protect Wireless Combi Detector
Google Nest Protect Combi Detector Interconnectable Wireless: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
Drawbacks
- No dishwasher-safe parts.
The Google Nest Protect Combi Detector is a reliable smoke and carbon monoxide alarm that offers peace of mind for homeowners. Its interconnectable wireless feature allows multiple units to communicate, enhancing safety throughout the home. The device is made of durable ABS plastic, ensuring longevity and resilience against wear and tear.
One of the standout benefits is its ability to hold up to 5 liters without tipping, making it a stable choice for various placements. The smart technology integrated into the device provides alerts directly to your smartphone, allowing you to stay informed even when you’re away from home. Additionally, the 2-year warranty adds an extra layer of assurance regarding its quality and performance.
However, it’s important to note that the Google Nest Protect Combi Detector has no dishwasher-safe parts. This means cleaning requires manual effort, which may be a minor inconvenience for some users.
A practical pick for small spaces, the Google Nest Protect Combi Detector is ideal for those seeking an efficient and reliable smoke and carbon monoxide alarm that integrates seamlessly into modern living environments.
To buy this product, click here.
Faq about Nest Smoke and Carbon Monoxide Alarm:
1: What is the Nest Smoke and Carbon Monoxide Alarm?
The Nest Smoke and Carbon Monoxide Alarm is a smart device that detects smoke and carbon monoxide, providing alerts to your smartphone and offering voice alerts in your home.
2: How does the Nest Alarm work?
The alarm uses advanced sensors to detect smoke and carbon monoxide. It connects to Wi-Fi, allowing remote monitoring and notifications via the Nest app.
3: Can I connect multiple Nest Alarms?
Yes, you can connect multiple Nest Alarms in your home. They communicate with each other, alerting you to dangers even if you are not in the same room.
4: How do I install the Nest Smoke and Carbon Monoxide Alarm?
Installation is straightforward. Mount the alarm on the ceiling or wall, connect it to Wi-Fi through the Nest app, and follow the setup instructions.
5: What happens during a smoke or CO alert?
During an alert, the alarm emits a loud sound, and you receive notifications on your smartphone. The device also announces the type of danger detected.
6: Is the Nest Alarm compatible with other smart home devices?
Yes, the Nest Alarm is compatible with various smart home systems, allowing integration with other Nest products and compatible devices for enhanced automation.
Conclusion
First Alert’s Smart Smoke & CO Alarm exemplifies innovation with its seamless integration of smart technology, allowing for real-time monitoring and alerts directly to your smartphone. This feature enhances safety by ensuring users remain informed, even when away from home.
Conversely, the First Alert Hardwire Smoke & CO Alarm offers reliability through its robust hardwired design, ensuring continuous power and minimizing the risk of battery failure. Both products epitomize excellence in fire safety, catering to diverse preferences while prioritizing user protection and peace of mind.




