
Smart safety made simple
SimpliSafe has introduced an easy way to connect regular smoke and carbon monoxide detectors to smart home systems. The new Smoke and CO Alarm Listener allows you to keep your existing detectors while gaining professional monitoring and mobile alerts through SimpliSafe.
It helps you stay informed even when you are not home. If you are curious about how it all works together, keep reading to discover the details.

Solving a common problem
Many people already have working smoke detectors, but upgrading to smart versions usually means replacing them. SimpliSafe wanted to make this easier by creating a device that brings older detectors online without needing replacements.
The Listener connects them to the SimpliSafe system for alerts and monitoring, giving homeowners a smarter solution that works with what they already own.

What the new device is
The Smoke and CO Alarm Listener is a small wireless device made to detect the sounds of existing smoke and carbon monoxide alarms.
When one goes off, it signals SimpliSafe’s Base Station, which can alert you through the mobile app or trigger an emergency response if you are away. It is a practical way to add smart features to traditional detectors.

How it works in your home
Inside the Listener is a sensitive microphone that listens for the unique sound patterns of smoke and carbon monoxide alarms.
When it detects one, it identifies the type of alert and sends a signal to SimpliSafe’s Base Station. The system then pushes a notification to your phone and can request help from monitoring agents if you are subscribed to a plan.

Compatible with major brands
You do not need to worry about matching brands or models. The Listener works with any UL certified residential smoke or carbon monoxide detector.
This means it can pair with popular brands that homeowners already trust, turning them into smart devices that connect seamlessly to SimpliSafe’s ecosystem for added protection.

Designed for simple setup
Installing the Listener takes only a few minutes. It is wireless and does not require tools or wiring changes.
You place it near your existing detector and connect it through the SimpliSafe app, which guides you through the process. It is an easy and quick way to extend safety features without hiring professionals.

Single listener coverage
If your home has interconnected wired smoke detectors, only one Listener is needed to cover the entire system.
For battery-powered detectors, you can place one Listener near each unit for full coverage. This flexibility lets you tailor your setup to match your home layout and still benefit from full monitoring.

Long lasting performance
Once installed, the Listener operates with minimal upkeep. Powered by a built-in battery lasting up to three years, it ensures reliable performance without frequent attention.
When the battery runs low, the SimpliSafe app sends a notification, allowing for quick replacement and uninterrupted protection without the need for routine manual checks.

Affordable smart upgrade
The Listener typically costs around $35–$50, making it a more affordable option than replacing every detector with a smart one. Instead of buying all new detectors, you can upgrade your existing ones at a fraction of the cost.
This makes it one of the simplest and most budget-friendly ways to modernize your home’s fire safety system and connect it to a larger smart network.

Always stay connected
When an alarm sounds, you receive instant alerts on your phone through the SimpliSafe app. The Base Station also activates an audible warning, ensuring you are aware of any issue, whether you are home or away.
These features keep you informed in real time so that quick action can be taken when needed.

Works with professional monitoring
The Listener works with SimpliSafe’s professional monitoring service for extra safety. If smoke or carbon monoxide is detected, trained agents confirm the alert and contact emergency services.
This ensures your home stays protected at all times, even when you’re away or unable to respond, offering continuous peace of mind.

Flexible monitoring options
SimpliSafe offers multiple monitoring plans that include instant alerts and emergency response. Users can select a plan that fits their needs and budget.
Whether you prefer simple app notifications or full-time monitoring with agent support, the Listener works smoothly within any of these options to enhance overall safety coverage and reliability.

Integration with SimpliSafe devices
The Listener can connect with other SimpliSafe products such as cameras, locks, and sensors. Together, they create a more complete home safety system.
If a smoke or carbon monoxide alert occurs, you can check your camera feeds, trigger lights, or receive updates through one unified app interface for better control.

Ideal for older homes
The Listener is especially useful in homes where replacing wired detectors is difficult or expensive. It is also a practical option for renters who cannot make electrical changes.
By simply adding the Listener device, these users can still benefit from smart home safety and real-time alerts without major installations or upgrades.

What it does not include
One limitation of the Listener is that it does not interconnect smoke detectors. If one alarm sounds, others will not automatically make noise.
Instead, the base station and app provide the notification. SimpliSafe’s approach focuses on alerting and monitoring rather than physical interlinking between alarms.
Curious if your Ring devices can finally work with SimpliSafe? Dive in to find out how close we are to full compatibility.

Why this device matters
The Smoke and CO Alarm Listener brings together simplicity, affordability, and smart functionality. It helps homeowners turn standard detectors into connected safety tools that notify them instantly when danger arises.
By combining existing devices with SimpliSafe’s monitoring, families can achieve modern protection and peace of mind with minimal effort.
Have questions about the right SimpliSafe camera for your space and how much it will really cost? Dive into our complete guide to explore every model, pricing tier, and smart features so you can choose with confidence.
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