System Sensor WARNING LIGHTS AND EMERGENCY SIRENS  (131)

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System Sensor SPSW-CLR-ALERT speaker strobe
System Sensor SPSW-CLR-ALERT speaker strobe

System Sensor SPSW-CLR-ALERT is a white wall speaker strobe with clear lens and standard c...

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System sensor SRL L-Series, red, wall-mounted, clear lens, strobe marked
System sensor SRL L-Series, red, wall-mounted, clear lens, strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.

L-Series, red, wall-mounted, clear lens, strobe marked "FIRE". Selectable strobe settings:...

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System sensor P2RL-LF/P2WL-LF The L-Series P2RL-LF (red) and P2WL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounder strobes.
System sensor P2RL-LF/P2WL-LF The L-Series P2RL-LF (red) and P2WL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounder strobes.

The L-Series P2RL-LF (red) and P2WL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounder st...

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System sensor P2GRL L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single gang box, horn strobe marked
System sensor P2GRL L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single gang box, horn strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.

L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single...

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System sensor P2RK-P The SpectrAlert Advance P2RK-P is an unmarked, red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
System sensor P2RK-P The SpectrAlert Advance P2RK-P is an unmarked, red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.

The SpectrAlert Advance P2RK-P is an unmarked, red, two-wire, outdoor horn strobe with sel...

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System sensor SWL-P The L-Series SWL-P is an unmarked, white strobe with selectable strobe settings of 15,  30, 75, 95, 110, 135 and 185 cd.
System sensor SWL-P The L-Series SWL-P is an unmarked, white strobe with selectable strobe settings of 15,  30, 75, 95, 110, 135 and 185 cd.

Candela - ​Selectable strobe settings of 15, 30, 75, 95, 110, 135, and 185 cd Color - ​...

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System sensor SWL-ALERT L-Series, white, wall-mountable, amber lens, strobe marked
System sensor SWL-ALERT L-Series, white, wall-mountable, amber lens, strobe marked "ALERT". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd. Designed for ECS/MNS applications.

L-Series, white, wall-mountable, amber lens, strobe marked "ALERT". Selectable strobe sett...

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System Sensor P2RHK-120 2-wire outdoor red horn strobe
System Sensor P2RHK-120 2-wire outdoor red horn strobe

System Sensor P2RHK-120 is a 2-wire outdoor red horn strobe with high candela settings. It...

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System sensor SPCWL L-Series, white, ceiling-mountable, high fidelity, speaker.
System sensor SPCWL L-Series, white, ceiling-mountable, high fidelity, speaker.

L-Series, white, ceiling-mountable, high fidelity, speaker.

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System sensor P2WK-P The SpectrAlert Advance P2WK-P is an unmarked, white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.  Outdoor back box included.
System sensor P2WK-P The SpectrAlert Advance P2WK-P is an unmarked, white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.  Outdoor back box included.

The SpectrAlert Advance P2WK-P is an unmarked, white, two-wire, outdoor horn strobe with s...

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System sensor MHW The SpectrAlert® Advance MHW is the white, 12/24-volt mini-horn used where a smaller notification device is desired.
System sensor MHW The SpectrAlert® Advance MHW is the white, 12/24-volt mini-horn used where a smaller notification device is desired.

The SpectrAlert® Advance MHW is the white, 12/24-volt mini-horn used where a smaller n...

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System Sensor SSM24-6 alarm bell
System Sensor SSM24-6 alarm bell

System Sensor SSM24-6 is a 6" low current, high decibel notification appliance for use in...

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System sensor SPSRK The SpectrAlert Advance SPSRK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
System sensor SPSRK The SpectrAlert Advance SPSRK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.

The SpectrAlert Advance SPSRK is a red, outdoor speaker strobe for wall installations with...

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System Sensor SPCR red indoor ceiling speaker
System Sensor SPCR red indoor ceiling speaker

System Sensor SPCR red indoor ceiling speaker reduces costly ground faults using a plug-in...

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System Sensor P4WK 4-wire outdoor white horn strobe
System Sensor P4WK 4-wire outdoor white horn strobe

System Sensor P4WK is a 4-wire outdoor white horn strobe with standard candela settings fo...

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System sensor SPSWK-R The SpectrAlert Advance SPSWK-R (replacement model) is a white, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.
System sensor SPSWK-R The SpectrAlert Advance SPSWK-R (replacement model) is a white, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.

The SpectrAlert Advance SPSWK-R (replacement model) is a white, outdoor speaker strobe for...

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System Sensor PC4WK 4-wire outdoor white horn strobe
System Sensor PC4WK 4-wire outdoor white horn strobe

System Sensor PC4WK is a 4-wire outdoor white horn strobe with standard candela settings....

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System sensor HRL-LF/HWL-LF The L-Series HRL-LF (red) and HWL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounders.
System sensor HRL-LF/HWL-LF The L-Series HRL-LF (red) and HWL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounders.

The L-Series HRL-LF (red) and HWL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounders.

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System Sensor CHSW white chime strobe
System Sensor CHSW white chime strobe

System Sensor CHSW is a white chime strobe used to alert trained personnel to investigate...

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System sensor SRK-P The SpectrAlert Advance SRK-P is an unmarked, red, wall-mount outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.  Outdoor back box included.
System sensor SRK-P The SpectrAlert Advance SRK-P is an unmarked, red, wall-mount outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.  Outdoor back box included.

The SpectrAlert Advance SRK-P is an unmarked, red, wall-mount outdoor strobe with selectab...

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System Sensor PF24V directional sounder with voice messaging
System Sensor PF24V directional sounder with voice messaging

System Sensor PF24V is a Exitpoint directional sounder with voice messaging. Triggered by...

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System sensor P4RL L-Series, red, wall-mountable, clear lens, 4-wire, horn strobe marked
System sensor P4RL L-Series, red, wall-mountable, clear lens, 4-wire, horn strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95,  110, 135, and 185 cd.

L-Series, red, wall-mountable, clear lens, 4-wire, horn strobe marked "FIRE". Selectable s...

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System sensor P4RK-R The SpectrAlert Advance P4RK-R (replacement model) is a red, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.
System sensor P4RK-R The SpectrAlert Advance P4RK-R (replacement model) is a red, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.

The SpectrAlert Advance P4RK-R (replacement model) is a red, four-wire, outdoor horn strob...

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System sensor P2RK The SpectrAlert Advance P2RK is a red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
System sensor P2RK The SpectrAlert Advance P2RK is a red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.

The SpectrAlert Advance P2RK-P is an unmarked, red, two-wire, outdoor horn strobe with sel...

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System sensor SRHK The SpectrAlert Advance SRHK is a red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Includes back box.
System sensor SRHK The SpectrAlert Advance SRHK is a red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Includes back box.

The SpectrAlert Advance SRHK is a red, outdoor strobe with selectable high-candela strobe...

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System sensor SRK The SpectrAlert Advance SRK is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Includes back box.
System sensor SRK The SpectrAlert Advance SRK is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Includes back box.

The SpectrAlert Advance SRK is a red, outdoor strobe with selectable strobe settings of 15...

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System sensor PC2RL-LF/PC2WL-LF System Sensor low Frequency Sounders and Sounder Strobes meet the NFPA 72®2010/2013 low frequency requirements effective January 1, 2014 for all commercial and certain residential sleeping spaces.
System sensor PC2RL-LF/PC2WL-LF System Sensor low Frequency Sounders and Sounder Strobes meet the NFPA 72®2010/2013 low frequency requirements effective January 1, 2014 for all commercial and certain residential sleeping spaces.

The L-Series PC2RL-LF (red) and PC2WL-LF (white) are 2-wire, 24 volt, 520Hz, round ceiling...

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System sensor PC2RHK The SpectrAlert Advance PC2RHK is a red, two-wire, ceiling-mount, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
System sensor PC2RHK The SpectrAlert Advance PC2RHK is a red, two-wire, ceiling-mount, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.

The SpectrAlert Advance PC2RHK is a red, two-wire, ceiling-mount, outdoor horn strobe with...

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System sensor P2RL-SP L-Series, red, wall-mountable, clear lens, 2-wire, horn strobe marked
System sensor P2RL-SP L-Series, red, wall-mountable, clear lens, 2-wire, horn strobe marked "FUEGO". Selectable strobe settings: 15, 30, 75, 95,  110, 135, and 185 cd.

L-Series, red, wall-mountable, clear lens, 2-wire, horn strobe marked "FUEGO". Selectable...

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System Sensor HRK Horn, Red, Outdoor (includes plastic weatherproof back box)
System Sensor HRK Horn, Red, Outdoor (includes plastic weatherproof back box)

Weatherproof per NEMA 4X, IP56 Listed to UL 1638 (strobe) and UL 464 (horn) Compatible...

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System Sensor CHWL Chime, Wall, White
System Sensor CHWL Chime, Wall, White

Updated modern aesthetics Plug-in design with minimal intrusion into the back box Moun...

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System Sensor HRK-R Horn, Red, Outdoor
System Sensor HRK-R Horn, Red, Outdoor

Weatherproof per NEMA 4X, IP56 Listed to UL 1638 (strobe) and UL 464 (horn) Compatible...

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System Sensor SPSWK-CLR-ALERT outdoor speaker strobe
System Sensor SPSWK-CLR-ALERT outdoor speaker strobe

System Sensor SPSWK-CLR-ALERT is a outdoor speaker strobe with standard candela settings a...

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System sensor SPWL L-Series, white, wall-mountable, high fidelity, speaker.
System sensor SPWL L-Series, white, wall-mountable, high fidelity, speaker.

L-Series, white, wall-mountable, high fidelity, speaker.

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System sensor SRHK-P The SpectrAlert Advance SRHK-P is an unmarked, red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd.  Outdoor back box included.
System sensor SRHK-P The SpectrAlert Advance SRHK-P is an unmarked, red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd.  Outdoor back box included.

The SpectrAlert Advance SRHK-P is an unmarked, red, outdoor strobe with selectable high-ca...

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System sensor SRK-R The SpectrAlert Advance SRK-R (replacement model) is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.
System sensor SRK-R The SpectrAlert Advance SRK-R (replacement model) is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.

The SpectrAlert Advance SRK-R (replacement model) is a red, outdoor strobe with selectable...

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System Sensor SPSCWK-CLR-ALERT outdoor speaker strobe
System Sensor SPSCWK-CLR-ALERT outdoor speaker strobe

System Sensor SPSCWK-CLR-ALERT is a outdoor speaker strobe with selectable candela setting...

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System sensor SPSCWL-SP L-Series, white, ceiling-mountable, clear lens speaker strobe marked
System sensor SPSCWL-SP L-Series, white, ceiling-mountable, clear lens speaker strobe marked "FUEGO". Selectable strobe settings: 15, 30, 75, 95, 115, 150, and 177 cd.

The SpectrAlert Advance SPSRHK is a red, outdoor speaker strobe for wall installations wit...

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System sensor HRL L-Series, red, wall-mountable, 12/24 volt, horn.
System sensor HRL L-Series, red, wall-mountable, 12/24 volt, horn.

L-Series, red, wall-mountable, 12/24 volt, horn.

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System sensor P2WK The SpectrAlert Advance P2WK is a white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
System sensor P2WK The SpectrAlert Advance P2WK is a white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.

The SpectrAlert Advance P2WK is a white, two-wire, outdoor horn strobe with selectable str...

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Warning Lights & Sirens - Expert Commentary

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Modern Mass Notification Systems Adapt With Evolving Communications Technology
Modern Mass Notification Systems Adapt With Evolving Communications Technology

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Latest System Sensor news

System Sensor Announces The Launch Of L-Series Low Frequency Devices
System Sensor Announces The Launch Of L-Series Low Frequency Devices

System Sensor is pleased to announce the next phase of our L-Series product line with the availability of low frequency (520 Hz) sounder and sounder strobes. The L-Series offers th...

System Sensor Announces Availability Of CO Replacement Cell For i4 Series Detectors
System Sensor Announces Availability Of CO Replacement Cell For i4 Series Detectors

System Sensor is pleased to announce the availability of the CO-REPL, a replacement CO cell for use with i4 Series COSMO-2W and COSMO-4W combination CO/smoke detectors. The i4 Seri...

System Sensor Announces New Reflective Beam Smoke Detectors
System Sensor Announces New Reflective Beam Smoke Detectors

System Sensor is pleased to announce the next evolution in beam smoke detection with the availability of the OSI-R-SS conventional and OSI-RI-SS intelligent single-ended, reflectiv...

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