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Alarm system with door sensors Deals in Canada

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Deals are available from 1 stores and 9 brands. An additional discount is available for 2 items. Last updated on September 24, 2025.
Haosie 10PCS Wired Sensor Magnetic Switch for Home Door Window Alarm System, NC(Normally Closed) Recessed Security Alarm Magnetic Switch
Haosie 10PCS Wired Sensor Magnetic Switch for Home Door Window Alarm System, NC(Normally Closed) Recessed Security Alarm Magnetic Switch
Haosie 10PCS Wired Sensor Magnetic Switch for Home Door Window Alarm System, NC(Normally Closed) Recessed Security Alarm Magnetic Switch
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QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
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Wired Magnetic Surface-Mounted Door Window Contact Reed Switch Personal Gap Alarm, Cabinet Strip Light Switch NC DIY Kit, Pack of 10 with 40 Screws
13% Off
Wired Magnetic Surface-Mounted Door Window Contact Reed Switch Personal Gap Alarm, Cabinet Strip Light Switch NC DIY Kit, Pack of 10 with 40 Screws
Wired Magnetic Surface-Mounted Door Window Contact Reed Switch Personal Gap Alarm, Cabinet Strip Light Switch NC DIY Kit, Pack of 10 with 40 Screws
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$22.95
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Upgraded KERUI Home Alarm System Indoor Outdoor Weather-Proof Strobe Siren Door Alarm Sensors Motion Sensor Alarm with Remote Control, Home Hotel Garage Shop Burglar Door Alarm System(Set A)
Upgraded KERUI Home Alarm System Indoor Outdoor Weather-Proof Strobe Siren Door Alarm Sensors Motion Sensor Alarm with Remote Control, Home Hotel Garage Shop Burglar Door Alarm System(Set A)
Upgraded KERUI Home Alarm System Indoor Outdoor Weather-Proof Strobe Siren Door Alarm Sensors Motion Sensor Alarm with Remote Control, Home Hotel Garage Shop Burglar Door Alarm System(Set A)
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10pcs NC Recessed Wired Door Window Sensor Magnetic Switch for Home Security Alarm System
10pcs NC Recessed Wired Door Window Sensor Magnetic Switch for Home Security Alarm System
10pcs NC Recessed Wired Door Window Sensor Magnetic Switch for Home Security Alarm System
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SanJie Door Sensor Chime for Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert Alarm 2 Receivers +1 Sensor
15% Off
SanJie Door Sensor Chime for Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert Alarm 2 Receivers +1 Sensor
SanJie Door Sensor Chime for Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert Alarm 2 Receivers +1 Sensor
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$34.99
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GE Personal Security Window/Door Alarm, 5-Pack, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45987
GE Personal Security Window/Door Alarm, 5-Pack, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45987
GE Personal Security Window/Door Alarm, 5-Pack, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45987
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Ring Alarm Contact Sensor (2nd Gen)
Ring Alarm Contact Sensor (2nd Gen)
Ring Alarm Contact Sensor (2nd Gen)
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TECKNET Door Alarms for Kids Safety, Window Alarm Pool Alarms Door Alarm for Home Security, 2-in-1 Alarm & Chime, 3-Level Volume Control, Wireless Alarm for House Hotel Sheds Caravans (3 PCS, White)
TECKNET Door Alarms for Kids Safety, Window Alarm Pool Alarms Door Alarm for Home Security, 2-in-1 Alarm & Chime, 3-Level Volume Control, Wireless Alarm for House Hotel Sheds Caravans (3 PCS, White)
TECKNET Door Alarms for Kids Safety, Window Alarm Pool Alarms Door Alarm for Home Security, 2-in-1 Alarm & Chime, 3-Level Volume Control, Wireless Alarm for House Hotel Sheds Caravans (3 PCS, White)
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Building Systems in Interior Design
Building Systems in Interior Design
Building Systems in Interior Design
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