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Brand New Honeywell 5819S Wireless Shock Sensor and Magnetic Contact (New pkg)
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5pcs Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black
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Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
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NC NO 1 pcs Wired Magnetic contact switch door Window Contact Sensor Alarm
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Ademco Type No 39 ~ Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L
Ademco Type No 39 ~ Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L

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Brand New Honeywell 5819S Wireless Shock Sensor and Magnetic Contact White
Brand New Honeywell 5819S Wireless Shock Sensor and Magnetic Contact White

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Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack

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Magnetic Wired Contact Sensor for Gate/Garage Door, Roller, Factory Switch Alarm
Magnetic Wired Contact Sensor for Gate/Garage Door, Roller, Factory Switch Alarm

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10 x RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch
10 x RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch

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5pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

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MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Sw
MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Sw

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NC NO 1 pcs Wired Magnetic contact switch door Window Contact Sensor Alarm
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Brand New Honeywell Resideo 5819S Wireless Shock Sensor and Magnetic Contact
Brand New Honeywell Resideo 5819S Wireless Shock Sensor and Magnetic Contact

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Resideo 958 Magnetic Contacts Overhead Door Contact Alarm Sensor
Resideo 958 Magnetic Contacts Overhead Door Contact Alarm Sensor

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Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack

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10PCS MC-38 NC Door Window Contact Sensor Magnetic Switch for Home Alarm System*
10PCS MC-38 NC Door Window Contact Sensor Magnetic Switch for Home Alarm System*

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Ademco Type No 39 Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L NOS
Ademco Type No 39 Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L NOS

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Door Window Magnetic Contact Wired Sensor Detector Switch For Home Garage Ala FD
Door Window Magnetic Contact Wired Sensor Detector Switch For Home Garage Ala FD

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3" Door Rail Track Mount Magnetic Magnet Contact Switch Alarm Sensor | 0E-DC4811
3" Door Rail Track Mount Magnetic Magnet Contact Switch Alarm Sensor | 0E-DC4811

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Lot Of 4 Ademco Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L NOS
Lot Of 4 Ademco Magnetic Contact Sensor Switch Surface Mount Grey 2-1/2" L NOS

$25.00

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5pcs RC-34 NC NO Wire Door Contact Sensor Alarm Magnetic Reed Switch brown
5pcs RC-34 NC NO Wire Door Contact Sensor Alarm Magnetic Reed Switch brown

$11.29

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5/10 PC RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5/10 PC RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.64

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2pcs RC36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White
2pcs RC36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

$14.64

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5pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Part
5pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Part

$14.79

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Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Black
Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Black

$15.03

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Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic
Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic

$26.12

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10Pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch USA
10Pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch USA

$15.85

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MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic

$14.40

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Ring Open Window Magnet for 1st Gen Contact Sensor - White NOT CONTACT SENSOR
Ring Open Window Magnet for 1st Gen Contact Sensor - White NOT CONTACT SENSOR

$7.45

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Mc-31 Surface Mount Wired Nc Door Contact Sensor Alarm Magnetic
Mc-31 Surface Mount Wired Nc Door Contact Sensor Alarm Magnetic

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1-5PCS RC-33 NC/NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch
1-5PCS RC-33 NC/NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch

$4.29

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Honeywell 5819S Wireless Shock Sensor and Magnetic Contact
Honeywell 5819S Wireless Shock Sensor and Magnetic Contact

$25.00

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Surface Mount Alarm Magnetic Contact 10W 100V 0.5A for Door Window Secu
Surface Mount Alarm Magnetic Contact 10W 100V 0.5A for Door Window Secu

$14.27

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Honeywell 958 Overhead Door Magnetic Contact Sensor, SPST Switch (Form A)
Honeywell 958 Overhead Door Magnetic Contact Sensor, SPST Switch (Form A)

$26.95

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Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black 3 Pcs
Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black 3 Pcs

$9.76

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MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic

$14.71

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Resideo 958-2 Overhead Door Magnetic Contact Sensor, SPDT Switch (Form C)
Resideo 958-2 Overhead Door Magnetic Contact Sensor, SPDT Switch (Form C)

$27.83

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10pcs 31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor
10pcs 31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor

$22.04

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NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown (QTY 10)
NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown (QTY 10)

$19.95

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Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack

$15.99

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Normally Open/Close Recessed Magnet Reed Switch Door Contact Entry Alarm Sensor
Normally Open/Close Recessed Magnet Reed Switch Door Contact Entry Alarm Sensor

$2.99

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5pcs RC-33 NC NO Wire Door Contact Sensor Alarm Magnetic Reed Switch
5pcs RC-33 NC NO Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.29

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RING Window Alarm Contact Sensor w/Magnet (4SD1S70EN0)
RING Window Alarm Contact Sensor w/Magnet (4SD1S70EN0)

$12.95

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Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack

$11.99

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Battery-Powered Magnetic Contact Sensors for Windows & Doors - 5-Pack NC 3/8"
Battery-Powered Magnetic Contact Sensors for Windows & Doors - 5-Pack NC 3/8"

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Surface Mount Alarm Magnetic Contact 10W 100V 0.5A for Door Window Secu
Surface Mount Alarm Magnetic Contact 10W 100V 0.5A for Door Window Secu

$10.79

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5Pcs Wired Door Contact Sensor Normally Closed Magnetic Reed Switch 29mmx15.35mm
5Pcs Wired Door Contact Sensor Normally Closed Magnetic Reed Switch 29mmx15.35mm

$14.37

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5Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.44

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NO/NC Magnetic Contact Reed Switch Door Window Sensor Entry Security Alarm
NO/NC Magnetic Contact Reed Switch Door Window Sensor Entry Security Alarm

$5.99

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10/20X MC-38 NC Door Window Contact Sensor Magnetic Switch for Home Alarm System
10/20X MC-38 NC Door Window Contact Sensor Magnetic Switch for Home Alarm System

$13.69

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3 x Brand New Honeywell Resideo 5819S Wireless Shock Sensor and Magnetic Contact
3 x Brand New Honeywell Resideo 5819S Wireless Shock Sensor and Magnetic Contact

$119.00

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5 Sets Magnetic Reed Switch NC NO Door Contact Alarm Window Security Sensor DIY
5 Sets Magnetic Reed Switch NC NO Door Contact Alarm Window Security Sensor DIY

$6.99

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Wired Door Contact Sensor NO Surface Mount Magnetic Reed Switch Black
Wired Door Contact Sensor NO Surface Mount Magnetic Reed Switch Black

$8.37

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10Pcs Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch RC-33 NC USA
10Pcs Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch RC-33 NC USA

$15.59

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Magnetic Contact Door Window Magnetic Contact Wired Sensor Detector Switch For
Magnetic Contact Door Window Magnetic Contact Wired Sensor Detector Switch For

$11.99

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433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c
433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c

$3.99

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5pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.65

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3pcs Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Black
3pcs Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Black

$18.38

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QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm R
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm R

$10.20

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Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Brown 5 Pcs
Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Brown 5 Pcs

$11.92

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New Interlogix 2707A-L High Security Contacts - Magnet Door Switch Sensor
New Interlogix 2707A-L High Security Contacts - Magnet Door Switch Sensor

$20.00

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10pair MC-38 Surface Mount Wired NC Door Sensor Alarm magnetic Reed Switch USAA
10pair MC-38 Surface Mount Wired NC Door Sensor Alarm magnetic Reed Switch USAA

$13.68

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NEW SimpliSafe Entry ES3 Door Sensor White Magnetic Home Security (Latest)
NEW SimpliSafe Entry ES3 Door Sensor White Magnetic Home Security (Latest)

$13.95

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2 Sets Recessed Magnetic Reed Switch Security Window Door Contact Alarm Sensor
2 Sets Recessed Magnetic Reed Switch Security Window Door Contact Alarm Sensor

$4.99

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Sentrol 2315A-L Panel Door Magnetic Contact Alarm Sensor
Sentrol 2315A-L Panel Door Magnetic Contact Alarm Sensor

$14.99

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433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c
433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c

$4.83

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10pcs RC-36 N.C. Recessed Magnetic Wired Door Contact Sensor Alarm Reed Switch
10pcs RC-36 N.C. Recessed Magnetic Wired Door Contact Sensor Alarm Reed Switch

$23.92

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Mace Security Wired Magnetic Contact Sensor Kit, Model 80374, NEW!
Mace Security Wired Magnetic Contact Sensor Kit, Model 80374, NEW!

$9.00

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One Pair Roller Shutter Sensor Heavy Duty Overhead Magnetic Door Contact Sensor
One Pair Roller Shutter Sensor Heavy Duty Overhead Magnetic Door Contact Sensor

$17.35

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MCT-302 SMA MAGNETIC CONTACT WIRELESS SENSOR VISONIC
MCT-302 SMA MAGNETIC CONTACT WIRELESS SENSOR VISONIC

$19.95

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10Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch USA
10Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch USA

$17.04

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5pc RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5pc RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.36

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5PCS MC-38 Door Window Contact Sensor Magnetic Switch for Home Alarm System US
5PCS MC-38 Door Window Contact Sensor Magnetic Switch for Home Alarm System US

$9.97

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Resideo 960 XTP Surface Mount Magnetic Contact SPST Switch Form A NEW
Resideo 960 XTP Surface Mount Magnetic Contact SPST Switch Form A NEW

$30.00

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Magnetic Wired Contact Sensor for Gate/Garage Door, Roller, Factory Switch Alarm
Magnetic Wired Contact Sensor for Gate/Garage Door, Roller, Factory Switch Alarm

$14.95

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Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C.MC-52
Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C.MC-52

$18.46

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10/20x MC-38 NC Door Window contact Sensor Magnetic Switch For Home Alarm system
10/20x MC-38 NC Door Window contact Sensor Magnetic Switch For Home Alarm system

$13.69

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DSC PG9303 PowerG Wireless Door/Window Magnetic Contact NEW
DSC PG9303 PowerG Wireless Door/Window Magnetic Contact NEW

$25.99

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5pcs RC-33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown
5pcs RC-33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown

$16.80

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1-5PCS RC-33 NC/NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch
1-5PCS RC-33 NC/NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch

$4.59

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White Honeywell Ademco Dsc Wired Door/Window Surface Magnetic Contact Sensor
White Honeywell Ademco Dsc Wired Door/Window Surface Magnetic Contact Sensor

$12.00

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5/10 Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch
5/10 Pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

$11.65

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Fortress Home Security Store Magnetic Door/Window Contact Sensor Lot of 6 *NEW*
Fortress Home Security Store Magnetic Door/Window Contact Sensor Lot of 6 *NEW*

$39.99

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Honeywell 4191SN-WH Recessed Contact Magnetic Sensor
Honeywell 4191SN-WH Recessed Contact Magnetic Sensor

$13.99

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Door Sensor Security Window Detector Automatic Sliding Magnetic Contact Sensor
Door Sensor Security Window Detector Automatic Sliding Magnetic Contact Sensor

$15.57

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433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c
433MHZ WIRELESS DOOR WINDOW GAP MAGNETIC CONTACT SENSOR FOR ALARM SYSTEM c

$8.68

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Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets
Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets

$7.64

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Radio Shack Door Window Sensor Switch Magnetic Contact SPST Archer 49-512 New
Radio Shack Door Window Sensor Switch Magnetic Contact SPST Archer 49-512 New

$9.95

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1/4/10pcs AS5600 Magnetic Encoder Magnetic Induction Angle Sensor Module 12bit
1/4/10pcs AS5600 Magnetic Encoder Magnetic Induction Angle Sensor Module 12bit

$6.98

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100M Wireless Door Window Alarm Panel Magnetic Contact Sensor 433MHz Code 1527
100M Wireless Door Window Alarm Panel Magnetic Contact Sensor 433MHz Code 1527

$4.40

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10 X Magnetic Glass Reed Switch 2 x 14 mm Normally Open N/O 2-Pin Low Voltage
10 X Magnetic Glass Reed Switch 2 x 14 mm Normally Open N/O 2-Pin Low Voltage

$7.79

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5pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch USA
5pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch USA

$14.95

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Ring Alarm Slim Magnet FOR Contact Sensor ((DOES NOT INCLUDE SENSOR))
Ring Alarm Slim Magnet FOR Contact Sensor ((DOES NOT INCLUDE SENSOR))

$8.42

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Magnasphere HSS L2D-800 High Security Magnetic Contact
Magnasphere HSS L2D-800 High Security Magnetic Contact

$75.00

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Door & Windows Reed Sensor Recessed Contact Roller Ball Plunger Switch Sensors
Door & Windows Reed Sensor Recessed Contact Roller Ball Plunger Switch Sensors

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