First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Battery Operated

First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Battery Operated – WiFi Smart Detector with Voice Alerts

Battery Powered Smart Smoke & Carbon Monoxide Detector with WiFi Alerts, App Control & Wireless Installation

First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Battery Operated is a modern smart smoke and carbon monoxide detector designed to provide reliable home protection without hardwiring. This 2-in-1 smoke and CO alarm delivers real-time alerts, voice notifications, and mobile connectivity for continuous safety monitoring.

With built-in WiFi and compatibility with the Onelink Home app, this smart home safety device notifies you instantly when smoke or carbon monoxide is detected, while also identifying the type and location of danger.

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Key Benefits

2-in-1 Smoke & Carbon Monoxide Detector for Wireless Home Safety Monitoring

This battery-operated alarm combines dual detection with smart connectivity for flexible installation and dependable protection.

• Detects smoke and carbon monoxide in one unit
• Real-time mobile alerts via Onelink app
• Voice alerts with location identification
• Battery-powered for easy installation
• Smart home compatibility and wireless interconnect

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Why Choose First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Battery Operated

Wireless Smart Alarm System with WiFi Connectivity & Interconnected Safety Network

This smart alarm enables you to build a connected safety system without wiring, ensuring alerts across all linked devices. It supports wireless interconnect with compatible First Alert and Onelink smart smoke alarms for whole‑home protection, helping create a unified safety network throughout your home.

• Battery-operated smart smoke detector
• Wirelessly connects with Onelink and First Alert devices
• Compatible with Apple HomeKit and mobile platforms
• Works with Amazon Alexa
• Multicolor LED ring for visual alerts
• Single-button test and silence control

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How It Works

Photoelectric Smoke Sensor & Electrochemical CO Detection for Accurate Alerts

The alarm uses dual-sensor technology to detect smoke particles and carbon monoxide levels, helping provide accurate monitoring.

When triggered, it sends notifications to your phone, activates an 85 dB alarm, and announces the type and location of danger.

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Smart Features & Connectivity

WiFi Smart Alarm with App Control, Bluetooth Mesh & Remote Notifications

Stay connected to your home safety system with intelligent features designed for convenience and control.

• WiFi-enabled for remote alerts
• Bluetooth mesh communication between devices
• Onelink Home app compatible (iOS & Android)
• Receive notifications on mobile devices
• Works with Alexa for status checks

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Voice Alerts & Safety Features

Voice Location Alerts, 85 dB Siren & Visual LED Indicators

Multiple alert systems help ensure fast awareness during emergencies.

• 85 dB alarm with voice alerts
• Announces type and location of danger
• Multicolor LED ring status indicators
• Quick test and silence function

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Power & Installation

Battery Operated Smoke & CO Alarm with Long-Lasting Lithium Power

This unit offers flexible installation with no wiring required and long-lasting battery performance.

• Battery operated design
• Includes 3-cell lithium battery pack
• Battery life up to approximately 5 years
• Easy-access battery door for convenience

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Technical Specifications

Smart Smoke Detector Specifications – Sensors, Connectivity & Safety Standards

Built for reliable performance and compliance with industry standards.

• Sensor Type: Photoelectric & Electrochemical
• Noise Output: 85 dB
• Connectivity: WiFi & Bluetooth
• Standards: UL 217 & UL 2034
• Dimensions: 5.88 x 1.57 x 5.88 in.
• Weight: 0.75 lbs

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Product Details

Brand: First Alert

Model: Onelink Smart Smoke & CO Alarm (3rd Generation)

MPN: 1042136

UPC: 029054020338

Category: Smart smoke detector / carbon monoxide alarm

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What’s Included

1 First Alert Onelink Smart Smoke & Carbon Monoxide Alarm (Battery Operated)

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Warnings & Safety

• Install according to instructions
• Test regularly using the button or app
• Replace batteries as needed
• Keep out of reach of children

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Performance & Benefits

This battery-operated smart smoke and carbon monoxide alarm delivers reliable detection, mobile alerts, and smart home integration, helping improve overall home safety and awareness.

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Also Available

• First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Hardwired — ideal for homes with existing wiring and for those who prefer continuous AC power with battery backup.

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Disclaimer:

Always follow installation and safety instructions. Proper placement and maintenance are required for optimal performance.

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Authenticity Guarantee:

All First Alert products sold on our website are 100% authentic, sealed, and sourced from authorized distributors.