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System Sensor

System Sensor's mission is to produce top-notch devices that save lives. Our versatile product offerings quickly detect the presence of dangers like smoke, fire, or carbon monoxide and then alert people to evacuate. We've been world leaders in the industry since 1984, and we're proud to serve our customers both offline and online.

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Picture of BLUE LENS FOR L-SERIES WALL

BLUE LENS FOR L-SERIES WALL

SYSTEM SENSOR:LENS-B2
SKU: SYSTEM SENSOR:LENS-B2
$22.68
Product Availability: Out of stock
Picture of GREEN LENS FOR WALL MOUNT

GREEN LENS FOR WALL MOUNT

SYSTEM SENSOR:LENS-G
SKU: SYSTEM SENSOR:LENS-G
$13.58
Product Availability: Out of stock
Picture of GREEN LENS FOR L-SERIES WALL

GREEN LENS FOR L-SERIES WALL

SYSTEM SENSOR:LENS-G2
SKU: SYSTEM SENSOR:LENS-G2
$13.81
Product Availability: Out of stock
Picture of WALL MOUNT RED LENS FOR STROBE

WALL MOUNT RED LENS FOR STROBE

SYSTEM SENSOR:LENS-R
SKU: SYSTEM SENSOR:LENS-R
$22.68
Product Availability: Out of stock
Picture of RED LENS FOR L-SERIES INDOOR

RED LENS FOR L-SERIES INDOOR

SYSTEM SENSOR:LENS-R2
SKU: SYSTEM SENSOR:LENS-R2
$13.31
Product Availability: Out of stock
Picture of REPLACEMENT TEST MAGNET

REPLACEMENT TEST MAGNET

SYSTEM SENSOR:M02-04-00
SKU: SYSTEM SENSOR:M02-04-00
$10.60
Product Availability: Out of stock
Picture of TELESCOPING TEST MAGNET

TELESCOPING TEST MAGNET

SYSTEM SENSOR:M02-09-00
SKU: SYSTEM SENSOR:M02-09-00
$38.97
Product Availability: Out of stock
Picture of RED SYNCH CIRCUIT MODULE

RED SYNCH CIRCUIT MODULE

SYSTEM SENSOR:MDL3R
SKU: SYSTEM SENSOR:MDL3R
$105.51
Product Availability: Out of stock
Picture of WHITE SYNCH CIRCUIT MODULE

WHITE SYNCH CIRCUIT MODULE

SYSTEM SENSOR:MDL3W
SKU: SYSTEM SENSOR:MDL3W
$104.72
Product Availability: Out of stock
Picture of MINI-HORN RED, 12/24VDC

MINI-HORN RED, 12/24VDC

SYSTEM SENSOR:MHR
SKU: SYSTEM SENSOR:MHR
$22.59
Product Availability: Out of stock
Picture of MINI-HORN WHITE, 12/24VDC

MINI-HORN WHITE, 12/24VDC

SYSTEM SENSOR:MHW
SKU: SYSTEM SENSOR:MHW
$22.01
Product Availability: Out of stock
Picture of 120V ADAPTER MOUNTING PLATE

120V ADAPTER MOUNTING PLATE

SYSTEM SENSOR:MP120K
SKU: SYSTEM SENSOR:MP120K
$49.28
Product Availability: Out of stock
Picture of 120V L-SER ADAPTER MNTNG PLATE

120V L-SER ADAPTER MNTNG PLATE

SYSTEM SENSOR:MP120KL
SKU: SYSTEM SENSOR:MP120KL
$76.66
Product Availability: Out of stock
Picture of BEAM DETECTOR

BEAM DETECTOR

SYSTEM SENSOR:OSI-R-SS
SKU: SYSTEM SENSOR:OSI-R-SS
$1,266.12
Product Availability: Out of stock
Picture of X-PRFSCREW/YOKESUPERVISORYSW

X-PRFSCREW/YOKESUPERVISORYSW

SYSTEM SENSOR:OSYEXP
SKU: SYSTEM SENSOR:OSYEXP
$777.86
Product Availability: Out of stock
Picture of ACCESSORY KIT FOR OSY2

ACCESSORY KIT FOR OSY2

SYSTEM SENSOR:OSYRK
SKU: SYSTEM SENSOR:OSYRK
$20.02
Product Availability: Out of stock
Picture of 2WIREOUTDOORHORN/STROBEHIGH CD

2WIREOUTDOORHORN/STROBEHIGH CD

SYSTEM SENSOR:P2RHK
SKU: SYSTEM SENSOR:P2RHK
$123.99
Product Availability: Out of stock
Picture of 120V HORN/STROBE

120V HORN/STROBE

SYSTEM SENSOR:P2RHK-120
SKU: SYSTEM SENSOR:P2RHK-120
$116.08
Product Availability: Out of stock
Picture of INTERFACE MODULE I4

INTERFACE MODULE I4

SYSTEM SENSOR:COSMOD4W
SKU: SYSTEM SENSOR:COSMOD4W
$80.54
Product Availability: Out of stock
Picture of 2-WIREPHOTOELECTRICDUCTSMOKEDT

2-WIREPHOTOELECTRICDUCTSMOKEDT

SYSTEM SENSOR:D2
SKU: SYSTEM SENSOR:D2
$241.53
Product Availability: Out of stock