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Best Window alarm sensors Deals in the United States

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20 deals found

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Deals are available from 9 stores and 3 brands. An additional discount is available for 4 items. Last updated on September 12, 2025.
Ring Alarm Outdoor Contact Sensor 2-Pack
Ring Alarm Outdoor Contact Sensor 2-Pack
Ring Alarm Outdoor Contact Sensor 2-Pack
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Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System
50% Off
Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System
Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System
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$51.94
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WiFi Smart Home Door & Window Sensor, Security Alarm System Compatible With Alexa & Google Assistant white
50% Off
WiFi Smart Home Door & Window Sensor, Security Alarm System Compatible With Alexa & Google Assistant white
WiFi Smart Home Door & Window Sensor, Security Alarm System Compatible With Alexa & Google Assistant white
New
$49.94
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Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
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Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
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Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
Inductive Door And Window Wireless Vibration Alarm 125dB Glass Breakage Anti-theft Sensor Home Security Protection Alarm
New
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Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit
50% Off
Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit
Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit
New
$69.94
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Ring Alarm Outdoor Contact Sensor
Ring Alarm Outdoor Contact Sensor
Ring Alarm Outdoor Contact Sensor
New
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Ring Alarm Glass Break Sensor
Ring Alarm Glass Break Sensor
Ring Alarm Glass Break Sensor
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5-Piece Home Alarm Kit White
43% Off
5-Piece Home Alarm Kit White
5-Piece Home Alarm Kit White
New
$159.99
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Minuteman Inductive Sensor - Door
Minuteman Inductive Sensor - Door
Minuteman Inductive Sensor - Door
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ALARM CONTROLS 1200D Double Maglock,1200 lb. Holding Force
ALARM CONTROLS 1200D Double Maglock,1200 lb. Holding Force
ALARM CONTROLS 1200D Double Maglock,1200 lb. Holding Force
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SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire
SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire
SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire
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SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector
SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector
SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector
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Kidde Detect Series 30CUAR Hardwired Interconnectable Smoke and Carbon Monoxide Alarm with (2) AA Backup Batteries 21031529
Kidde Detect Series 30CUAR Hardwired Interconnectable Smoke and Carbon Monoxide Alarm with (2) AA Backup Batteries 21031529
Kidde Detect Series 30CUAR Hardwired Interconnectable Smoke and Carbon Monoxide Alarm with (2) AA Backup Batteries 21031529
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