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How To Replace Smoke & Carbon Monoxide Detector Battery

The Smoke & CO Detector takes two CR-123A Lithium 3V batteries and has a life expectancy of up to 2 years, depending on placement and usage.To change your Smoke & CO Detector battery, twist it off its bracket and open the back panel. Then, replace the lithium batteries and put the device bac

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Preventing False Alarms 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 th

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Smoke & CO Detector

What is the Constant Yellow Light on the Smoke and/or CO Detector?

The Smoke Detector, Carbon Monoxide Detector, and 2-in-1 Smoke & CO Detector all feature a Tamper Switch, to make sure that the device is properly secured into its mounting bracket.It’s a small button on the back of the unit that is normally held down by part of the mounting bracket. When it is

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CO Detector LED Status Light Colors

The CO Detector has several light states that reflect the status of the device and its detection of CO within your home. This guide will highlight the various indicators and their meanings.**Please note that we no longer offer CO Detectors for the Original SimpliSafe system. If you are having an iss

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CO Detector

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Smoke Detector LED Status Light Colors

The Smoke Detector has several light states that reflect the status of the device and change with the presence of smoke within your home. This guide will highlight the various indicators and their meanings. IndicatorMeaningRed flashing light every 5–6 minutes and no soundsNormal.Red flashing light e

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How do the Smoke Detectors work? How do I prevent false alarms from my Smoke Detectors?

SimpliSafe's Smoke Detectors use photoelectric sensors, meaning they detect 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 w

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Smoke Detectors