Shop DIY Window Alarm

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$149.60
Philips Personal Security Window And Door Alarm, 10 Pack, DIY Protection, Burglar Alert, Wireless, Chime/Alarm, Easy Installation, Ideal For Home,
Amazon.com
487
Free shipping
$149.60
Philips Personal Security Window And Door Alarm, 10 Pack, DIY Protection, Burglar Alert, Wireless, Chime/Alarm, Easy Installation, Ideal For Home,
Amazon.com
487
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Tuya Zigbee Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life
Aliexpress
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Aliexpress
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Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
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Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
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Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
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Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
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PGST Window Door Sensor For 433Mhz Alarm System PG103 Wireless Home Alarm App Notification Alerts
Aliexpress
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Aliexpress
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OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
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OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
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Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
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Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
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Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic
AliExpress
$2.12
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic
AliExpress
$4.48
1/2/3/5Pcs 433Mhz Vibration Sensor Detector Wireless Door Window Glass Break Shock Opening Alarm
Aliexpress
$4.48
1/2/3/5Pcs 433Mhz Vibration Sensor Detector Wireless Door Window Glass Break Shock Opening Alarm
Aliexpress
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
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Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
28K+
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
600
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$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
600
$19.44
Wireless Wifi Smart Home Security DIY Alarm System DIY Home Wi-Fi Alarm Kit With Motion Detector,Notifications With App,Door/Window Sensor, Siren,Compatible With Alexa,NO Monthly Fees (LW-150)
alertakey
$19.44
Wireless Wifi Smart Home Security DIY Alarm System DIY Home Wi-Fi Alarm Kit With Motion Detector,Notifications With App,Door/Window Sensor, Siren,Compatible With Alexa,NO Monthly Fees (LW-150)
alertakey
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$1.54
$1.70
1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V
Aliexpress
$1.54
$1.70
1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V
Aliexpress
$7.70
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work With Alexa, For House, Apartment, By Tolviviov(Grey 8)
alertakey
$7.70
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work With Alexa, For House, Apartment, By Tolviviov(Grey 8)
alertakey
$18.54
Outdoor Door Window Alarm Sensor Security With Remote Control Burglar Alarm Magnetic Sensor Door
Aliexpress
Free shipping
$18.54
Outdoor Door Window Alarm Sensor Security With Remote Control Burglar Alarm Magnetic Sensor Door
Aliexpress
Free shipping
$23.99
Wireless Home Security Alarm System DIY Kit: Magnetic Sensor, Guardian Protector, Window Glass Vibration Security Burglar Alarm For Homes, Cars, Sheds
Walmart
$23.99
Wireless Home Security Alarm System DIY Kit: Magnetic Sensor, Guardian Protector, Window Glass Vibration Security Burglar Alarm For Homes, Cars, Sheds
Walmart
$0.46
$0.84
Door Window Contact Alarm Switch Security Home Burglar Alarm NO/NC Switch Easy To Install
Aliexpress
45% off
$0.46
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Door Window Contact Alarm Switch Security Home Burglar Alarm NO/NC Switch Easy To Install
Aliexpress
$13.25
Pack Of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !!
Walmart
37
$13.25
Pack Of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !!
Walmart
37
$34.97
Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor
Inspire Uplift
$34.97
Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor
Inspire Uplift
$5.95
5PCS Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC
AliExpress
$5.95
5PCS Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC
AliExpress
$14.99
$20.99
Encore WK-2 Two Window Roll-Up Kit For Alarm/Remote Start Systems Automatic Window Roll-Up Kit Upon Arming Vehicle Alarm/Remote Start
Sonic Electronix
28% off
$14.99
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Encore WK-2 Two Window Roll-Up Kit For Alarm/Remote Start Systems Automatic Window Roll-Up Kit Upon Arming Vehicle Alarm/Remote Start
Sonic Electronix
$46.82
Sabre Door And Window Alarm Kit White Plastic White HS-WAK
DkHardware.com
$46.82
Sabre Door And Window Alarm Kit White Plastic White HS-WAK
DkHardware.com
$37.59
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$37.59
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$171.42
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$171.42
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$32.99
Sabre White Plastic Door And Window Alarm Kit
Ace Hardware
$32.99
Sabre White Plastic Door And Window Alarm Kit
Ace Hardware
$115.97
$231.94
433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 10Pcs | Inspired Living
Inspire Uplift
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433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 10Pcs | Inspired Living
Inspire Uplift
Free shipping
$120.00
$240.00
Wireless Door & Window Sensor 433Mhz Open Door Detector For Smart Alarm Systems - 10Pcs | Inspire Picks
Inspire Uplift
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$120.00
$240.00
Wireless Door & Window Sensor 433Mhz Open Door Detector For Smart Alarm Systems - 10Pcs | Inspire Picks
Inspire Uplift
Free shipping
$15.24
Wireless Door Chime, BITIWEND Door Alarm Sensor Door Open Window Alarm With 58 Chimes 5 Volume Level 600ft Range LED Indicator For Office/Home/Store When Entering 2 Door Sensors+1 Plug-In Receiver
alertakey
$15.24
Wireless Door Chime, BITIWEND Door Alarm Sensor Door Open Window Alarm With 58 Chimes 5 Volume Level 600ft Range LED Indicator For Office/Home/Store When Entering 2 Door Sensors+1 Plug-In Receiver
alertakey
$1.61
Smart Home Security: Wireless Door/Window Sensor Alarm, Instant Alerts & Easy DIY Installation
Alibaba B2B
Free shipping
$1.61
Smart Home Security: Wireless Door/Window Sensor Alarm, Instant Alerts & Easy DIY Installation
Alibaba B2B
Free shipping
$34.99
Sabre Door Or Window Alarm - 4-Pk., 120Db, Adjustable Settings, Battery Operated, Model HS-DWA-4
Northern Tool
126
$34.99
Sabre Door Or Window Alarm - 4-Pk., 120Db, Adjustable Settings, Battery Operated, Model HS-DWA-4
Northern Tool
126
$54.09
JASCO PRODUCTS COMPANY Window/Door Alarm Kit: 3 Alarms 1 Keypad 36017
DkHardware.com
13
$54.09
JASCO PRODUCTS COMPANY Window/Door Alarm Kit: 3 Alarms 1 Keypad 36017
DkHardware.com
13
$173.92
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$173.92
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$140.54
Wifi Gsm Alarm System Kit With Door/Window Sensor For Home Security
eBay
Free shipping
$140.54
Wifi Gsm Alarm System Kit With Door/Window Sensor For Home Security
eBay
Free shipping
$19.49
VENZ DIY Wireless Home Security System,4 Pieces-Kit(Door Window Sensor,Wifi Indoor Camera,Smart Hub,PIR Motion Detector) With App Alert And Comatible With Alexa,For House,Apartment
kreaagency
$19.49
VENZ DIY Wireless Home Security System,4 Pieces-Kit(Door Window Sensor,Wifi Indoor Camera,Smart Hub,PIR Motion Detector) With App Alert And Comatible With Alexa,For House,Apartment
kreaagency
Making a Window and Door Alarm! *EASY DIY* #diyhomedecor | DIY Creators
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FacebookDIY Creators
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I built my own alarm!
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How to Make a Cheap, Simple, and Effective Alarm System
81.8K viewsOct 6, 2020
instructables.com
I built my own alarm!
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I built my own alarm!
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MSNDIY Creators
ADT WIRELESS ALARM SENSOR BATTERY - HOW TO CHANGE
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Shop DIY Window Alarm

Sponsored
About our ads
$149.60
Philips Personal Security Window And Door Alarm, 10 Pack, DIY Protection, Burglar Alert, Wireless, Chime/Alarm, Easy Installation, Ideal For Home,
Amazon.com
487
Free shipping
$149.60
Philips Personal Security Window And Door Alarm, 10 Pack, DIY Protection, Burglar Alert, Wireless, Chime/Alarm, Easy Installation, Ideal For Home,
Amazon.com
487
$5.13
$10.48
Tuya Zigbee Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life
Aliexpress
51% off
$5.13
$10.48
Tuya Zigbee Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life
Aliexpress
$89.94
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Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
Free shipping
10% off
$89.94
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Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
$22.99
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$22.99
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$3.54
PGST Window Door Sensor For 433Mhz Alarm System PG103 Wireless Home Alarm App Notification Alerts
Aliexpress
Free shipping
$3.54
PGST Window Door Sensor For 433Mhz Alarm System PG103 Wireless Home Alarm App Notification Alerts
Aliexpress
Free shipping
$24.99
$39.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
37% off
$24.99
$39.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
25% off
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
$2.12
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic
AliExpress
$2.12
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic
AliExpress
$4.48
1/2/3/5Pcs 433Mhz Vibration Sensor Detector Wireless Door Window Glass Break Shock Opening Alarm
Aliexpress
$4.48
1/2/3/5Pcs 433Mhz Vibration Sensor Detector Wireless Door Window Glass Break Shock Opening Alarm
Aliexpress
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
28K+
25% off
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
28K+
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
600
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
600
$19.44
Wireless Wifi Smart Home Security DIY Alarm System DIY Home Wi-Fi Alarm Kit With Motion Detector,Notifications With App,Door/Window Sensor, Siren,Compatible With Alexa,NO Monthly Fees (LW-150)
alertakey
$19.44
Wireless Wifi Smart Home Security DIY Alarm System DIY Home Wi-Fi Alarm Kit With Motion Detector,Notifications With App,Door/Window Sensor, Siren,Compatible With Alexa,NO Monthly Fees (LW-150)
alertakey
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$1.54
$1.70
1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V
Aliexpress
$1.54
$1.70
1 Pair Home Security Magnetic Door/Window Alarm Sensor - RC-33/MC-33 Recessed Reed Switch (DC 100V
Aliexpress
$7.70
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work With Alexa, For House, Apartment, By Tolviviov(Grey 8)
alertakey
$7.70
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work With Alexa, For House, Apartment, By Tolviviov(Grey 8)
alertakey
$18.54
Outdoor Door Window Alarm Sensor Security With Remote Control Burglar Alarm Magnetic Sensor Door
Aliexpress
Free shipping
$18.54
Outdoor Door Window Alarm Sensor Security With Remote Control Burglar Alarm Magnetic Sensor Door
Aliexpress
Free shipping
$23.99
Wireless Home Security Alarm System DIY Kit: Magnetic Sensor, Guardian Protector, Window Glass Vibration Security Burglar Alarm For Homes, Cars, Sheds
Walmart
$23.99
Wireless Home Security Alarm System DIY Kit: Magnetic Sensor, Guardian Protector, Window Glass Vibration Security Burglar Alarm For Homes, Cars, Sheds
Walmart
$0.46
$0.84
Door Window Contact Alarm Switch Security Home Burglar Alarm NO/NC Switch Easy To Install
Aliexpress
45% off
$0.46
$0.84
Door Window Contact Alarm Switch Security Home Burglar Alarm NO/NC Switch Easy To Install
Aliexpress