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==History==
System Sensor was founded in 1984<ref>{{cite web |title=About System Sensor |url=http://www.systemsensor.com/html/about.html |archive-url=https://web.archive.org/web/20100308105416/http://www.systemsensor.com/html/about.html |archive-date=March 8, 2010 |accessdate=24 October 2009}}</ref> to address the requirements of exclusive industry fire alarm products. Early products included the MASS and PA400 Series. In the 1990’s, System Sensor also had introduced a line of smoke detectors, including the System Sensor 1400 and the 2400 2-wire detector. In 1997, the MASS was replaced with the SpectrAlert series. In the 2000’s, System Sensor was acquired from Pitway by Honeywell. Around this time, System Sensor introduced the i3 line of smoke detectors. In 2006, the original SpectrAlert series were replaced with the SpectrAlert Advance. In 2017, the System Sensor L-Series was released. All SpectrAlert Advance products, except for the outdoor models and mini horns, were discontinued by February 2020. In October of 2023, System Sensor announced the LED L
== Products ==
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[[File:System Sensor L-Series Speaker Strobe.jpg|thumb|L-Series speaker strobe.]]
In 2017, the System Sensor L-Series was released, replacing the SpectrAlert Advance series.{{Citation needed|date=April 2024}} New features included a new 3000 hertz tone, more candela options, lower power draw, and an updated design. The low frequency devices were released in 2018. The new low frequency devices had Temporal 4 for Carbon Monoxide (CO) operations. In October of 2023, System Sensor announced the release of a new LED L
'''L-Series LED'''
In October of 2023, System Sensor announced the release of a new LED L
=== Detection Devices ===
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