First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Hardwired

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

Hardwired Smart Smoke & CO Detector with WiFi Alerts, App Control & Smart Home Integration

First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Hardwired is an advanced smart smoke and carbon monoxide detector designed for modern home safety. This 2-in-1 smoke and CO alarm provides real-time alerts, voice notifications, and intelligent monitoring whether you are home or away.

With built-in WiFi connectivity and integration with the Onelink Home app, this smart home safety device sends instant notifications to your phone and identifies the type and location of danger. Designed for reliable performance, it features hardwired power with a long-lasting battery backup.

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Key Benefits

2-in-1 Smoke & Carbon Monoxide Detector for Complete Home Safety Protection

This smart detector combines smoke and CO detection in one device, helping provide comprehensive protection for your home environment.

• Detects smoke and carbon monoxide in one unit
• Real-time mobile alerts via app
• Voice alerts with location detection
• Hardwired with battery backup
• Smart home integration capabilities

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Why Choose First Alert Onelink Smart Smoke & Carbon Monoxide Alarm

Advanced Smart Home Safety System with WiFi Connectivity & Interconnected Alarm Network

This smart alarm system allows you to create a connected safety network, ensuring all alarms activate together when danger is detected.

• WiFi-enabled smart smoke detector
• Interconnects with other 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 Monitoring

This alarm uses dual-sensor technology to monitor both smoke particles and carbon monoxide levels, providing accurate detection and timely alerts.

When triggered, the system sends app notifications, sounds an 85 dB alarm, and announces the type and location of the hazard.

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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 smart features designed for convenience and control.

• WiFi-enabled for remote monitoring
• Bluetooth mesh communication between devices
• Onelink Home app compatibility (iOS & Android)
• Receive alerts on iPhone and Android devices
• Smart integration with Alexa

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Voice Alerts & Safety Features

Voice Location Alerts, 85 dB Siren & Visual LED Indicators for Emergency Awareness

Multiple alert systems ensure you are informed quickly during emergencies.

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

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Power & Installation

Hardwired Smoke & CO Alarm with 10-Year Battery Backup for Continuous Protection

Designed for reliable, long-term use with continuous power and backup protection.

• Hardwired AC power connection
• 10-year sealed lithium battery backup
• Protection during power outages
• Easy installation with included adapter

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Technical Specifications

Smart Smoke Detector Specifications – Sensors, Connectivity, Safety Standards & Performance

Engineered for reliability and compliance with safety 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: 1042135

UPC: 029054020321

Category: Smart smoke detector / carbon monoxide alarm

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What’s Included

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

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Warnings & Safety

• Install according to instructions
• Test regularly via button or app
• Replace unit as recommended
• Keep out of reach of children

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Performance & Benefits

This smart smoke and carbon monoxide alarm provides continuous monitoring, real-time alerts, and connected protection. It enhances home safety with advanced detection technology and smart home integration.

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Related Smart Home Safety Terms

• smart smoke detector
• smart carbon monoxide detector
• WiFi smoke alarm
• HomeKit smoke detector
• smart home safety device
• connected smoke alarm
• smart CO alarm

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Also Available:

• First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Battery Operated — a convenient option for rooms without existing wiring or for quick DIY installation.

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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.