Shop security alarm contacts

Sponsored
About our ads
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
342
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
342
$12.99
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC With Adjustable Bracket
Amazon.com
135
$12.99
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC With Adjustable Bracket
Amazon.com
135
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
138
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
138
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$12.00
7939WG-WH HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
349
$12.00
7939WG-WH HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
349
$54.95
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
133
Free shipping
23% off
$54.95
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
133
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
16
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
16
$9.99
Wired Alarm Heavy Duty Garage Door Magnetic Contacts With Adjustable Bracket
Amazon.com
23
$9.99
Wired Alarm Heavy Duty Garage Door Magnetic Contacts With Adjustable Bracket
Amazon.com
23
$18.29
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
41
$18.29
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
41
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
38
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
38
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
18
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
18
$16.00
7939-2GY HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
$16.00
7939-2GY HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$51.64
1076CW-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$51.64
1076CW-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$10.06
Honeywell Ademco 947-75TBR Steel Door Contact W/ Terminals, Brown
JMAC
13
$10.06
Honeywell Ademco 947-75TBR Steel Door Contact W/ Terminals, Brown
JMAC
13
$17.81
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact, 2-3/4" (70Mm) Wide Gap, NO/NC
JMAC
$17.81
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact, 2-3/4" (70Mm) Wide Gap, NO/NC
JMAC
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$24.50
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$24.50
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$23.90
1078C-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$23.90
1078C-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$6.72
Honeywell Ademco 944TSP-WH 3/4" Contact W/ Terminals & Magnet, White
JMAC
93
$6.72
Honeywell Ademco 944TSP-WH 3/4" Contact W/ Terminals & Magnet, White
JMAC
93
$99.95
UTC Interlogix (Formerly GE Security/Sentrol) 2507A-L Magnetic Door Contact
JMAC
$99.95
UTC Interlogix (Formerly GE Security/Sentrol) 2507A-L Magnetic Door Contact
JMAC
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
1K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
1K+
$9.88
WESUA Magnetic Switch Alarm Sensor Overhead Garage Door Contacts With L Bracket
Amazon.com
80
$9.88
WESUA Magnetic Switch Alarm Sensor Overhead Garage Door Contacts With L Bracket
Amazon.com
80
$61.83
Lascar WIRELESS ALERT DC - Door Contact Monitor With Email Alerts
TEquipment
$61.83
Lascar WIRELESS ALERT DC - Door Contact Monitor With Email Alerts
TEquipment
$90.92
2207A-L Edwards Sentrol Magnetic Contact
Valin Process Control Solutions
$90.92
2207A-L Edwards Sentrol Magnetic Contact
Valin Process Control Solutions
$15.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
$15.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
$31.99
Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Motion Detector Alarm Buzzer Store Entrance Alert Bell (1000ft Range, 32 Tunes, 5
Amazon.com
613
$31.99
Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Motion Detector Alarm Buzzer Store Entrance Alert Bell (1000ft Range, 32 Tunes, 5
Amazon.com
613
$11.99
Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
Amazon.com
7K+
$11.99
Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
Amazon.com
7K+
Ring Alarm Contact Sensor Installation | DIY | Ring Support
1:46
YouTubeRing
Ring Alarm Contact Sensor Installation | DIY | Ring Support
This video shows you how to install the Ring Alarm Contact Sensor that comes with your Alarm Security Kit. Get your Alarm Security Kit for only $199 at https://ring.com/alarm. Get Ring for your whole home: https://shop.ring.com Tweet us at https://twitter.com/ring See more Ring stories at https://facebook.com/ring Follow us on https://instagram ...
606.7K viewsJul 3, 2018
Security Alarm Installation
Ring Alarm Home Security System (4K) Full Setup & Installation
22:58
Ring Alarm Home Security System (4K) Full Setup & Installation
YouTubeJeff Lepard
1.1M viewsAug 31, 2019
How to Install a Ring Home Alarm Security System
18:03
How to Install a Ring Home Alarm Security System
YouTubeDIY•BRY
103.8K views11 months ago
SimpliSafe Home Security Setup & Installation - Incredible Security System
18:20
SimpliSafe Home Security Setup & Installation - Incredible Security System
YouTubeGeeky Stuff
426.2K viewsOct 8, 2019
Top videos
Door Contacts - Overview
11:31
Door Contacts - Overview
YouTubeAlarm Grid
5.6K viewsAug 27, 2019
How To Install Honeywell Wireless Door/Window Contacts
5:07
How To Install Honeywell Wireless Door/Window Contacts
YouTubemydiysecurity
46.8K viewsJul 17, 2013
Demonstration of Window & Door Contacts - Fortress Security System
2:21
Demonstration of Window & Door Contacts - Fortress Security System
YouTubeFortress Security Store
28.4K viewsFeb 17, 2016
Security Alarm Reviews
🔒 Top 5 Best Home Security Alarm Systems 2025 – Protect What Matters Most
5:53
🔒 Top 5 Best Home Security Alarm Systems 2025 – Protect What Matters Most
YouTubeTech Talk Reviews
5.2K views3 months ago
Eufy Home Security Alarm 5 Pc. Kit Review - Unboxing, Features, Setup, Install & Testing
13:48
Eufy Home Security Alarm 5 Pc. Kit Review - Unboxing, Features, Setup, Install & Testing
YouTubeLifeHackster
295.3K viewsSep 12, 2020
Choosing the Best Security System in 2025 | The Ultimate Guide to Home Security Systems
17:11
Choosing the Best Security System in 2025 | The Ultimate Guide to Home Security Systems
YouTubeSecurity.org
149.5K viewsAug 13, 2024
Door Contacts - Overview
11:31
Door Contacts - Overview
5.6K viewsAug 27, 2019
YouTubeAlarm Grid
How To Install Honeywell Wireless Door/Window Contacts
5:07
How To Install Honeywell Wireless Door/Window Contacts
46.8K viewsJul 17, 2013
YouTubemydiysecurity
Demonstration of Window & Door Contacts - Fortress Security System
2:21
Demonstration of Window & Door Contacts - Fortress Security System
28.4K viewsFeb 17, 2016
YouTubeFortress Security Store
How to Install Smart Security Wireless Door Contacts
1:58
Find in video from 00:20Setting Up Door Contacts
How to Install Smart Security Wireless Door Contacts
12.8K viewsJan 11, 2016
YouTubeAlarm New England
Understanding the different types of door/window contacts for alarm systems
13:46
Understanding the different types of door/window contacts for alarm s…
573 views3 months ago
YouTubeAlarm System Store
How to use the Ring Alarm Outdoor Contact Sensor
1:38
How to use the Ring Alarm Outdoor Contact Sensor
57.9K viewsDec 16, 2021
YouTubeRing
How to Wire a Door Contact to an Optima Alarm – Step-by-Step Guide (DIY Intruder System)
5:23
How to Wire a Door Contact to an Optima Alarm – Step-by-Step Guid…
606 views7 months ago
YouTubeSimon Security Expert
6:24
How To Set Up Ring Alarm Contact Sensor
72.5K viewsMar 23, 2023
YouTubeOne Hour Smart Home
14:06
All 12 Simplisafe Security Devices Setup! 2024
217.7K viewsAug 19, 2022
YouTubeWhatGear
26:03
Showcasing The PowerG Door/Window Contact Lineup
1.7K viewsNov 7, 2024
YouTubeAlarm System Store
0:32
Contact AlarmForce Home Security System
79K viewsJul 23, 2010
YouTubeAlarmForceSecurity
9:10
How to install a magnetic door contact: Step by Step
6.4K views10 months ago
YouTubeSimon Security Expert
1:59
Ring Alarm Pro | An Advanced Security System for both Home an…
261.1K viewsSep 28, 2021
YouTubeRing
3:04
Find in video from 00:37Ring Alarm Security Modes
How Does Ring Alarm Work?
421.1K viewsJul 3, 2018
YouTubeRing
2:38
Find in video from 01:30Adding the Contact Sensor
Installing Ring Alarm Security Kit in 15 Minutes
621.7K viewsJul 9, 2018
YouTubeRing
9:18
Find in video from 07:05Wiring the Alarm Panel
How to connect a magnetic door contact switch to your alarm - tuto…
85.3K viewsJan 25, 2021
YouTubeecologicaltime
23:54
Find in video from 06:00Adding Ring Alarm Devices
How To Set Up Ring Alarm Security System
277.4K viewsMar 19, 2023
YouTubeOne Hour Smart Home
1:46
How to Place & Install Ring Protect Contact Sensors
32.8K viewsNov 2, 2017
YouTubeRing
49:17
Find in video from 38:04configure and monitor the whole alarm system from a pc
Installing a proper burglar alarm - Texecom Premier Elite 64-W (KIT-…
179.4K viewsMar 5, 2018
YouTubeCameron Gray
5:21
ADT Home Security Systems: How to identify the Model Number of yo…
614.7K viewsSep 22, 2015
YouTubeADT
1:57
Re-Attaching a Door or Window Sensor | ADT Home Security
364.9K viewsMay 27, 2015
YouTubeADT
1:50
Find in video from 00:21GE Window and Door Alarm
GE Personal Security - Window / Door Alarm
386.1K viewsJan 25, 2011
YouTubeJasco Products Company
1:19
TELUS | How to install your Door and Window Sensor
73.1K viewsDec 17, 2020
YouTubeTELUS
0:26
ALARM SYSTEM PANEL BASIC WIRING DIAGRAM PARADOX EVO
234.1K viewsNov 24, 2016
YouTubeHome Projects
1:53
Find in video from 00:06Security Modes Overview
How to Arm and Disarm Ring Alarm (Gen 1)
401.4K viewsJul 3, 2018
YouTubeRing
25:59
Find in video from 01:16Door Contacts Explained
Series and Parallel Wiring With Alarm Systems Explained
22.7K viewsMay 24, 2023
YouTubeAlarm System Store
5:13
Reasons Why the Wired Alarm Contact on a Door May Not Work
79K viewsNov 4, 2019
YouTubeAlarm Grid
4:34
Find in video from 03:14Installing the Contact I
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
23.8K viewsAug 24, 2022
YouTubeAlarm System Store
3:18
How to Install the OSI Alarm Contact (door/window) Sensor // Placemen…
6.2K viewsJul 8, 2022
YouTubeOSI Go Direct
See more videos
Static thumbnail place holder

Shop security alarm contacts

Sponsored
About our ads
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
342
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
342
$12.99
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC With Adjustable Bracket
Amazon.com
135
$12.99
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC With Adjustable Bracket
Amazon.com
135
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
138
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
138
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$12.00
7939WG-WH HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
349
$12.00
7939WG-WH HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
349
$54.95
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
133
Free shipping
23% off
$54.95
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
133
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
16
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
16
$9.99
Wired Alarm Heavy Duty Garage Door Magnetic Contacts With Adjustable Bracket
Amazon.com
23
$9.99
Wired Alarm Heavy Duty Garage Door Magnetic Contacts With Adjustable Bracket
Amazon.com
23
$18.29
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
41
$18.29
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
41
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
38
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
38
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
18
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
18
$16.00
7939-2GY HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
$16.00
7939-2GY HONEYWELL - Security & Security Contact Switch Supplies
Radwell.com
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$51.64
1076CW-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$51.64
1076CW-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$10.06
Honeywell Ademco 947-75TBR Steel Door Contact W/ Terminals, Brown
JMAC
13
$10.06
Honeywell Ademco 947-75TBR Steel Door Contact W/ Terminals, Brown
JMAC
13
$17.81
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact, 2-3/4" (70Mm) Wide Gap, NO/NC
JMAC
$17.81
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact, 2-3/4" (70Mm) Wide Gap, NO/NC
JMAC
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$24.50
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$24.50
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1