Onelink Smoke and Carbon Monoxide Detector Review


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7.6/10 (Expert Score)
Product is rated as #3 in category Smart Carbon Monoxide Detectors
The Onelink Smoke and Carbon Monoxide Detector is a unique home safety device that provides an added layer of security for your home
  • Detect two key safety threats, smoke and carbon monoxide.
  • High degree of accuracy
  • Smoke and carbon monoxide alarm alerts
  • Mobile Plus Voice Alerts
  • Compatbile with Alexa and Apple HomeKit
  • Easy Battery Changes
  • Some users report app is unresponsive and crash
  • Little Expensive

What’s Onelink Smoke and Carbon Monoxide Detector?

The Onelink Smoke and Carbon Monoxide Detector is a must-have for any homeowner concerned about their family’s safety. Its dual detection system monitors for both smoke and CO, meaning it can be the difference between minor damage and total disaster in the event of a fire or carbon monoxide spillage. The device is Wi-Fi enabled, allowing automatic alerts to be sent straight to your phone if danger is detected. It even has voice alerts to quickly alert you to danger without having to look at your phone or check any additional devices. Setting up the detector is easy with no special wiring required. Best of all, you can manage it from anywhere in the world via its remote access feature, giving you extra peace of mind when you’re away from home. With its smart features and top-notch detection abilities, this Onelink detector should be essential in every household.

Design and Features

The Onelink Smoke and Carbon Monoxide Detector is the perfect tool for any home. It comes with a variety of sophisticated features to make sure your family is safe from potential danger. This innovative technology includes a voice alert that quickly identifies the danger, giving you peace of mind when needed most. Its built-in wireless network provides reliable, real-time data for optimal safety as well as emergency services notifications in the unfortunate case of a carbon monoxide leak or fire. Furthermore, this compact device doubles up as an Amazon Alexa speaker, allowing you to stream music while having access to other app integrations – all while keeping you updated with its spoken alerts. Overall, the Onelink Smoke and Carbon Monoxide Detector offers great protection at an affordable price!

What’s in The Box

  • Smoke and CO Alarm
  • Mounting Bracket
  • Mounting Hardware
  • User’s Manual

Setup and Installation

Setting up a Onelink Smoke and Carbon Monoxide Detector is quick, easy and can give you peace of mind. This high-tech detector is Wi-Fi enabled, so no cords are required and installation is simple. The sleek design fits with any dicor and the Bluetooth setup process has been streamlined to make things even more convenient. Not only that, but the detecor’s built-in alarm will alert you if it detects any smoke or carbon monoxide, giving you an extra layer of safety in your home. With its combination of versatility, convenience, and safety, the Onelink system is one of the most innovative and reliable detectors available today.

User Manual (PDF)

Onelink Application

Onelink Smoke and Carbon Monoxide Detector Review

Specification: Onelink Smoke and Carbon Monoxide Detector Review


‎First Alert

Part Number


Item Weight

‎12 ounces

Product Dimensions

‎5.88 x 5.88 x 1.57 inches

Country of Origin


Item model number



‎3 Lithium Metal batteries required. (included)



Power Source

‎Battery Powered

Item Package Quantity


Included Components

‎Smoke + Carbon monoxide detector, 3 batteries

Batteries Included


Batteries Required


Battery Cell Type

‎Lithium Metal

Photos: Onelink Smoke and Carbon Monoxide Detector Review

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Onelink Smoke and Carbon Monoxide Detector  Review
Onelink Smoke and Carbon Monoxide Detector Review
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