- AC adapter plugs
- Mounting bracket and hardware
- Onelink Safe & Sound Smart Hardwired Smoke + Carbon Monoxide Alarm
- Owner's manual
Ratings & Reviews
First Alert's trusted technology for smoke and carbon monoxide detection
Warns you to danger in your home and its location with an 85-decibel alarm.
Protects your loved ones and your living spaces
By detecting levels of smoke and carbon monoxide within your home.
Have alerts sent to your phone through the Onelink Home App
Sends alerts to mobile devices, and tells you the type and location of emergency in your home.
Convenient and reliable wired power and battery backup
Offers long-lasting use without the need to change the battery frequently.
Adjust your nightlight settings through your phone or tablet. Select the color tone and brightness of your device's nightlight.
Embedded Alexa Voice Services for Convenience and Control
Can play music or audio books, or read you the news; plus use hands-free voice commands to control your smart home devices., lights, locks, and more.
Premium home speaker for audio and entertainment
High-end speakers provide immersive, omni-directional audio with crisp vocals and powerful bass; noise-cancelling microphones hear you from any direction, even while playing music.
Mounting hardware included
Connects easily to electrical systems using the included adapter plugs so you don't have to rewire.