Smoke & CO Detectors
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.

Smoke & CO Alarm Listener
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Smoke Detector
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
CO Detector
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Smoke & CO Detector
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
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Where to Place the Carbon Monoxide Detector
Our Carbon Monoxide Detector sniffs out dangerous leaks that can happen in kitchens, fireplaces, basements, and more. Because it’s an invisible and odorless gas, Carbon Monoxide leaks could otherwise go undetected. We recommend having at least one per floor, in a bedroom or in a central location. Th
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CO Detector
Where to Place the Smoke Detector
You should place Smoke Detectors near sleeping areas and make sure that one is on every floor within your home. You can mount the Smoke Detector on a wall or ceiling. If mounting it to a wall, ensure that you have it no more than 12 inches from the ceiling. To avoid false alarms, we recommend instal
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Smoke Detectors
Carbon Monoxide Detector Overview and Installation Guide
Overview Our Carbon Monoxide Detector sniffs out dangerous leaks that can happen in kitchens, fireplaces, basements, and more. Because it’s an invisible and odorless gas, Carbon Monoxide leaks could otherwise go undetected. We recommend having at least one per floor, in a bedroom or in a central loc
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CO Detector
Preventing False Alarms From the Smoke & Carbon Monoxide Detector
Our Smoke & CO Detector uses photoelectric sensors, meaning it detects smoke through the distortion of a light beam inside the detector. Photoelectric smoke detectors will detect smoke faster than other detector types but can occasionally result in a false alarm. False alarms often occur when the de
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Smoke & CO Detector
Low Sensitivity Error
If you see the “Low Sensitivity" error for the Smoke Detector, Carbon Monoxide Detector, or Smoke & Carbon Monoxide Detector, that indicates that you need to clean your device so it can detect properly. To Clean the Device: Twist the detector counterclockwise to remove it from its bracket Remove a b
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Smoke & CO Detector
What is the "Early Alert" Warning for the Smoke & Carbon Monoxide Detector?
An exciting new feature of the Smoke & CO Detector is its Early Alert warning. When the Smoke & CO Detector senses traces of smoke or carbon monoxide, you will receive an “Early Alert: Smoke Detected” notification in the SimpliSafe® Mobile App, and a “Smoke/CO Pre-Alarm” notification on your Keypad.
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Smoke & CO Detector
