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Safety Equipment and GearAlarm SystemsAll Home SecurityAll Tool SetsBrackets and Angle IronsBrinksCar Emergency SuppliesDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectrical ToolsEmergency SuppliesFire SafetyFlashlightsFurniture HardwareGarage Door Openers and HardwareHand ToolsHome SafetyHome Safety by BrandKitchen HardwareLight BulbsMechanics ToolsPersonal PreparednessPersonal SafetyPower ToolsSafety DetectorsShop Plumbing by FixtureStorm & Flood PrepSurveillanceTool Equipment & StorageWindow Hardware
Home Window Security(580)
Uses item details. Price when purchased online
Deal SimpliSafe 7-piece Home Security System - Optional 24/7 Professional Monitoring - No Contract $99.99 Was $199.99

Sponsored
Now$9999
current price Now $99.99, Was $199.99$199.99
SimpliSafe 7-piece Home Security System - Optional 24/7 Professional Monitoring - No Contract
134.6 out of 5 Stars. 13 reviews
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Shelly Wave Door/Window White, Z-Wave Long Range Operated Sensor, Home Automation, Compatible with Alexa, Google Home, SmartThings & Home Assistant, Bulletproof Security, Lux & Tilt Angle Measurement $34.99

Sponsored
$3499
current price $34.99Shelly Wave Door/Window White, Z-Wave Long Range Operated Sensor, Home Automation, Compatible with Alexa, Google Home, SmartThings & Home Assistant, Bulletproof Security, Lux & Tilt Angle Measurement
Door Alarm with Remote, GreenCycle 108dB Loud Door and Window Alarms for Pool, Anti-Theft Door Alarms for Kids Safety Home Store Garage Apartment Business Security IP66 Waterproof Indoor/Outdoor $22.99

Sponsored
$2299
current price $22.99Door Alarm with Remote, GreenCycle 108dB Loud Door and Window Alarms for Pool, Anti-Theft Door Alarms for Kids Safety Home Store Garage Apartment Business Security IP66 Waterproof Indoor/Outdoor
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Vivnt Recessed Door Contact Sensor VS-DW2100-345 $19.95

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$1995
current price $19.95Vivnt Recessed Door Contact Sensor VS-DW2100-345
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Best seller Philips Personal Security Window and Door Alarm, 2-Pack From $15.97

2 options
Available in additional 2 optionsFrom$1597
Philips Personal Security Window and Door Alarm, 2-Pack
8584.5 out of 5 Stars. 858 reviews
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Best seller Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (4 Pcs) Home Alarm(Batteries not included) From $10.99

2 options
Available in additional 2 optionsFrom$1099
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (4 Pcs) Home Alarm(Batteries not included)
2083.8 out of 5 Stars. 208 reviews
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Brinks Steel Adjustable Window Security Bar with Brackets 15.5" to 34", White $26.44 $26.44/in

$2644
current price $26.44$26.44/in
Brinks Steel Adjustable Window Security Bar with Brackets 15.5" to 34", White
864.3 out of 5 Stars. 86 reviews
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Clearance FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White From $16.99
From$1699
FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White
1124.5 out of 5 Stars. 112 reviews
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In 25+ people's carts Brinks Commercial Steel Adjustable 25in-43in Heavy-Duty Security Bar From $26.44

2 options
Available in additional 2 optionsFrom$2644
Brinks Commercial Steel Adjustable 25in-43in Heavy-Duty Security Bar
21684.5 out of 5 Stars. 2168 reviews
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Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office

Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
104.4 out of 5 Stars. 10 reviews
Wireless Door Alarms for Home Security with Remote, 130dB Door and Window Alarms Sensors, (Battery-Powered), Kids Safety, Dementia Patients, Pool Door Alarm (1-Pack) From $18.99

Sponsored
From$1899
Wireless Door Alarms for Home Security with Remote, 130dB Door and Window Alarms Sensors, (Battery-Powered), Kids Safety, Dementia Patients, Pool Door Alarm (1-Pack)
114.3 out of 5 Stars. 11 reviews
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Clearance FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White From $16.99

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From$1699
FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White
1124.5 out of 5 Stars. 112 reviews
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HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz $14.97

$1497
current price $14.97HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz
663.6 out of 5 Stars. 66 reviews
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BsBsBest Sliding Door Security Bar & Door/Window, 1 Pack Stop Home Security Bar 28-45Inch Door Jam Adjustable from Inside for Apartment Bedroom Bottom $15.99

$1599
current price $15.99BsBsBest Sliding Door Security Bar & Door/Window, 1 Pack Stop Home Security Bar 28-45Inch Door Jam Adjustable from Inside for Apartment Bedroom Bottom
1484.5 out of 5 Stars. 148 reviews
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Door Window Alarm, Magnetic Security System, Home Protection Device, Entry Door Opening Closing Reminder with Loud Buzzer Alert $11.68 Was $12.99

Now$1168
current price Now $11.68, Was $12.99$12.99
Door Window Alarm, Magnetic Security System, Home Protection Device, Entry Door Opening Closing Reminder with Loud Buzzer Alert
Best seller Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System Was $49.99

Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System
324.7 out of 5 Stars. 32 reviews
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Ababeny Upgraded Door Security Bar & Sliding Patio Bar, Heavy Duty Door Stoppers Window Security Bar Adjustable Jammer for Home, Apartment, Travel (1 Pack,White).19-52 In

Ababeny Upgraded Door Security Bar & Sliding Patio Bar, Heavy Duty Door Stoppers Window Security Bar Adjustable Jammer for Home, Apartment, Travel (1 Pack,White).19-52 In
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Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS From $17.99
From$1799
Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS
424.3 out of 5 Stars. 42 reviews
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Rupoun Glass Break Detector High Sensitivity Adjustable Window Door Alarm Sensor Home Security System 12V $12.09

$1209
current price $12.09Rupoun Glass Break Detector High Sensitivity Adjustable Window Door Alarm Sensor Home Security System 12V
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included From $19.97

2 options
Available in additional 2 optionsFrom$1997
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
364.2 out of 5 Stars. 36 reviews
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Door Alarm, Door Window Sensor Alarms, Entry Sensor for Home Security with Remote,Adjustable Volume,5 Feature Modes,130dB Loud, Door Alarms for Kids Safety,Dementia Patients,Pool Door, Alzheimers $16.99

Sponsored
$1699
current price $16.99Door Alarm, Door Window Sensor Alarms, Entry Sensor for Home Security with Remote,Adjustable Volume,5 Feature Modes,130dB Loud, Door Alarms for Kids Safety,Dementia Patients,Pool Door, Alzheimers
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Deal DEROFIT Door Security Bar for Patio Door, Sliding Door, Window, Apartment, Home, 29-45" Adjustable, White(2 Packs) From $12.99

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From$1299
DEROFIT Door Security Bar for Patio Door, Sliding Door, Window, Apartment, Home, 29-45" Adjustable, White(2 Packs)
764 out of 5 Stars. 76 reviews
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GE Personal Security Window/Door Alarm, Battery Operated, 5- Pack, 45987

2 options
Available in additional 2 optionsGE Personal Security Window/Door Alarm, Battery Operated, 5- Pack, 45987
324.4 out of 5 Stars. 32 reviews
Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !! $13.25

$1325
current price $13.25Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !!
1353.7 out of 5 Stars. 135 reviews
SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System $41.00

$4100
current price $41.00SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System
23.5 out of 5 Stars. 2 reviews
Wireless Door Alarms for Home Security with Remote, 130dB Door and Window Alarms Sensors, (Battery-Powered), Kids Safety, Dementia Patients, Pool Door Alarm (1-Pack) From $18.99
From$1899
Wireless Door Alarms for Home Security with Remote, 130dB Door and Window Alarms Sensors, (Battery-Powered), Kids Safety, Dementia Patients, Pool Door Alarm (1-Pack)
114.3 out of 5 Stars. 11 reviews
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Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.58

From$1358
Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
1084.2 out of 5 Stars. 108 reviews
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Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home $8.99

$899
current price $8.99Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home
31 out of 5 Stars. 3 reviews
Deal DEROFIT Door Security Bar for Patio Door, Sliding Door, Window, Apartment, Home, 29-45" Adjustable, White(2 Packs) From $12.99
From$1299
DEROFIT Door Security Bar for Patio Door, Sliding Door, Window, Apartment, Home, 29-45" Adjustable, White(2 Packs)
764 out of 5 Stars. 76 reviews
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PGST WiFi+GSM/4G Home Smart Alarm Security System Kit,DIY Wireless Burglar Alert System,Motion Detector,Remote Control,Door Window Sensor,Smart Life Tuya APP Control,NO Monthly Fees (PG105-A)

5 options
Available in additional 5 optionsPGST WiFi+GSM/4G Home Smart Alarm Security System Kit,DIY Wireless Burglar Alert System,Motion Detector,Remote Control,Door Window Sensor,Smart Life Tuya APP Control,NO Monthly Fees (PG105-A)
143.8 out of 5 Stars. 14 reviews
Yeyebest Sliding Door Security Bar & Window 2 Pack, 19-52Inch Door Stopper Barricade Adjustable from Inside for Apartment Home,Matte White From $26.99

Sponsored
From$2699
Yeyebest Sliding Door Security Bar & Window 2 Pack, 19-52Inch Door Stopper Barricade Adjustable from Inside for Apartment Home,Matte White
934.3 out of 5 Stars. 93 reviews
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Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS From $17.99

Sponsored
From$1799
Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS
424.3 out of 5 Stars. 42 reviews
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PGST WiFi 4G Alarm System for Home Security, Wireless Home Alarm 10 Piece Kit with Siren, PIR Motion Sensors, Remote Controls, Window/Door Sensors Tuya and Smart Life APP Control

2 options
Available in additional 2 optionsPGST WiFi 4G Alarm System for Home Security, Wireless Home Alarm 10 Piece Kit with Siren, PIR Motion Sensors, Remote Controls, Window/Door Sensors Tuya and Smart Life APP Control
Vivint dw12 window and door sensor $32.97

$3297
current price $32.97Vivint dw12 window and door sensor
55 out of 5 Stars. 5 reviews
2 Pack,Wireless Door Window Alarm,Burglar Alert Sensor with Batteries,Loud Door Alarms for Kids Safety,DIY for Home Security,Office Protection,Shopping Store

2 Pack,Wireless Door Window Alarm,Burglar Alert Sensor with Batteries,Loud Door Alarms for Kids Safety,DIY for Home Security,Office Protection,Shopping Store
Yeyebest Sliding Door Security Bar & Window 2 Pack, 19-52Inch Door Stopper Barricade Adjustable from Inside for Apartment Home,Matte White
Yeyebest Sliding Door Security Bar & Window 2 Pack, 19-52Inch Door Stopper Barricade Adjustable from Inside for Apartment Home,Matte White
934.3 out of 5 Stars. 93 reviews
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Door and Window Alarm, 4-Pack Wireless Magnetic Security Sensor with 90dB Loud Siren, Tool-Free Adhesive Entry Alert for Home, Gates and Cabinets $6.72

$672
current price $6.72Door and Window Alarm, 4-Pack Wireless Magnetic Security Sensor with 90dB Loud Siren, Tool-Free Adhesive Entry Alert for Home, Gates and Cabinets
Lyinloo Wireless Home Security Door Window Entry Burglar Alarm System Magnetic Sensor

Lyinloo Wireless Home Security Door Window Entry Burglar Alarm System Magnetic Sensor
14 out of 5 Stars. 1 reviews
Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home Security (2 Pack) Was $7.94

Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home Security (2 Pack)
24 out of 5 Stars. 2 reviews
1/2/3/4 Pack 2-in-1 Kangaroo Door Window Security Alarm, WiFi Motion Sensor with Instant APP Alerts, Battery Included No Installation Needed, Smart Home Anti-Theft Sensor for House Apartment From $78.46
From$7846
1/2/3/4 Pack 2-in-1 Kangaroo Door Window Security Alarm, WiFi Motion Sensor with Instant APP Alerts, Battery Included No Installation Needed, Smart Home Anti-Theft Sensor for House Apartment
VALSEEL WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor $1.99 Was $3.99

Now$199
current price Now $1.99, Was $3.99$3.99
VALSEEL WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor $9.98

$998
current price $9.986 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
55 out of 5 Stars. 5 reviews
Honeywell Home 5800Mini Wireless Door/ Window Contact $32.99

$3299
current price $32.99Honeywell Home 5800Mini Wireless Door/ Window Contact
75 out of 5 Stars. 7 reviews
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2 Pack Door Window Alarm, 120dB Magnetic Entry Alert Door Alarm When Opened Wireless Door Sensor Alarm for Office Store Home Security, White $15.99

$1599
current price $15.992 Pack Door Window Alarm, 120dB Magnetic Entry Alert Door Alarm When Opened Wireless Door Sensor Alarm for Office Store Home Security, White
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $15.18

$1518
current price $15.182Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
15 out of 5 Stars. 1 reviews
Qolsys QS1135-840 IQ Wireless S-Line Encrypted Mini Door/Window Sensor, White $36.99

$3699
current price $36.99Qolsys QS1135-840 IQ Wireless S-Line Encrypted Mini Door/Window Sensor, White
34.3 out of 5 Stars. 3 reviews
Window Alarm, 10-Pack Mini Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home

Window Alarm, 10-Pack Mini Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home
15 out of 5 Stars. 1 reviews
2 Pack, Wireless Door Window Alarm, Burglar Alert Sensor with Batteries, Loud Door Alarms for Kids Safety, DIY for Home Security, Office Protection,Shopping Store $13.20

$1320
current price $13.202 Pack, Wireless Door Window Alarm, Burglar Alert Sensor with Batteries, Loud Door Alarms for Kids Safety, DIY for Home Security, Office Protection,Shopping Store
KDJ Window Vibration Alarm Sensor Ultra Slim 130dB Siren Glass Break Detector Home Security System Easy Installation No Wiring Required for Doors Windows From $9.99

2 options
Available in additional 2 optionsFrom$999
KDJ Window Vibration Alarm Sensor Ultra Slim 130dB Siren Glass Break Detector Home Security System Easy Installation No Wiring Required for Doors Windows
Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes Was $6.99

Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes
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