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First Alert/Onelink Smoke & CO Alarm – Battery Operated

  • 2-in-1 Protection – Smoke and Carbon Monoxide alarm
  • Emergency Notifications – Notifies you if something is not right in your home (on your phone)
  • Voice Alerts – Tells you the type and location of danger
  • Interconnected – Wirelessly interconnected with other compatible alarms
  • Easy Access Battery Door – Quickly replace batteries
  • Battery-Operated – Quick and easy installation

Smart Smoke and Carbon Monoxide Alarm for Home Protection

Add intelligent protection to your home with the Onelink Smoke & Carbon Monoxide alarm. The 2-in- 1 alarm detects both smoke and carbon monoxide and will notify you if something is not right in your home, whether home or away. The alarm also tells you the type and location of the danger and wirelessly interconnects with other compatible alarms.

  • Mobile Connectivity Through the Onelink Home App

With the Onelink Home app you can test and silence your alarm and adjust your nightlight color and brightness through your phone or tablet.

  • Voice Alerts

The Onelink Smoke & Carbon Monoxide alarm has voice location technology. In an emergency, the 2-in-1 alarm will tell you the type and location of the danger. It also wirelessly interconnect with other compatible alarms and if one sounds, they all sound.

  • Battery-Operated

The Onelink Smoke & Carbon Monoxide alarm is battery-operated and has an easy access battery door for convenience. The alarm requires 4 CR123 batteries and will let you know when it is time to replace.

SKU(s) 1039289
Model 1039289
Power Battery Back-up (4 C3P2)
Wi-Fi Required 2.4 GHz – 802.11b/b/g/n router
Sensor Type 2-in-1 Protection Smoke/Fire & Carbon Monoxide Alarm with Photoelectric Sensors
Voice Voice Alerts – Tells you the type and location of danger
Remote Notifications Notifies you if something is not right in your home (on your phone)
Type of danger (smoke or CO and its location
Compatibility HomeKit and Alexa
App Store and Google Play
Additional Features Interconnected – wirelessly interconnects with other compatible alarms
Item Length 6.79 in.
Item Width 6.79 in.
Item Height 1.97 in.
Item Weight 1.2 lbs
Warranty 10-Year Limited

The Editor

Editor - Musician, graphic designer and HomeKit aficionado.

2 thoughts on “First Alert/Onelink Smoke & CO Alarm – Battery Operated

  • What’s the cost of the battery operated version of this and is it available for purchase? I can’t find it on Amazon. And is it more reliable than their previous HomeKit smoke alarm? That one had terrible reviews.

    • Hi George, it would seem that First Alert have updated this model with a newer design and new model number, so this one is no longer available. We’ll adjust our listing accordingly. I can’t tell you what it’s like, not having one, but regarding where to buy their products, it seems some models, including the updated version of this particular model, are actually not currently available either via their site, or via 3rd party resellers. If you want to look at the particular model I’m referring to, here’s the direct link – https://www.firstalert.com/product/onelink-smoke-carbon-monoxide-alarm-battery-operated/#specifications

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