Verdict overview
- worth the money 7.0
- audio quality 7.6
- Easy installation 8.1
- Detecting movement 7.0
- Tech Support 7.0
- integrate with Alexa 7.0
Pros
Easy mobile controls
No confusing beeps
Voice alerts
Cons
May require tech savvy.
Tech specs
color | White |
batteries included | Yes |
warranty description | 3 year limited warranty |
alarm | Audible |
customer reviews | 3.6 3.6 out of 5 stars 1,190 ratings 3.6 out of 5 stars |
battery cell type | Lithium Metal |
product dimensions | 7D x 7W x 2H |
batteries | 2 Lithium Metal batteries required. included |
item weight | 1.76 pounds |
voltage | 120 Volts |
item package quantity | 1 |
size | Onelink |
material | Plastic |
power source | Battery Powered |
style | Onelink Safe & Sound |
sensor type | electrochemical,photoelectric |
batteries required | Yes |
type of bulb | LED |

Product Overview
I recently tried out the FIRST ALERT Onelink Safe Sound Smart Hardwired Smoke Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa, and I have to say that I was pleasantly surprised. This product is a great choice for those looking for reliable protection from smoke and carbon monoxide in their home, while also offering the convenience of Alexa built in.
The device is very easy to install it comes with an AC adapter plug so you can simply replace your existing hard wired alarms without having to do any rewiring. The device also has an optimal ceiling placement that enhances the speaker s acoustic quality. Plus, you can track battery levels in the app to make sure you always know when it s time to replace them.
The FIRST ALERT Onelink Safe Sound Smart Hardwired Smoke Carbon Monoxide Alarm also comes with a variety of features that make it a great choice for keeping your home safe and secure. It has a key voice location technology that will alert you to any dangers in your home. Additionally, it is compatible with AirPlay 2, so you can create an easy way to stream music anywhere in the home using different iOS and other AirPlay 2 compatible devices.

One of my favorite features of this product was its Alexa integration you can talk to Alexa on your safe and sound, and ask it to play music or podcasts from Music, Spotify, Pandora, and more, read audiobooks, fill you in on the news, check weather, control smart home devices, and more plus Alexa s always adding skills so it gets smarter over time.
In conclusion, I would highly recommend the FIRST ALERT Onelink Safe Sound Smart Hardwired Smoke Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa for anyone looking for reliable protection from smoke and carbon monoxide in their home as well as added convenience thanks to its voice activated capabilities. It is easy to install and use, offers great features such as remote notifications of an emergency in your home 24/7 safety plus airplay 2 compatibility for easy streaming of music around your house.
Having trouble choosing between combination smoke & carbon monoxide detectors?
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