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Safety Equipment and GearAlarm SystemsAll Home SecurityBrackets and Angle IronsBrinksDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoor WeatherproofingDoorbellsDoorsEmergency SuppliesFire SafetyFurniture HardwareGarage Door Openers and HardwareHingesHome SafetyHome Safety by BrandHVAC Ducting and VentilationKitchen HardwarePersonal PreparednessPersonal SafetyPower Tool AccessoriesSafety DetectorsStorm & Flood PrepSurveillanceTool Equipment & StorageWindow Hardware
Home Window Security(617)
Uses item details. Price when purchased online
ADT Blu Security Starter Kit, DIY Home Alarm System with Door and Window Sensors, Motion Detector, and ADT+ App, (Plan Required) $99.60 Was $249.00

Sponsored
Now$9960
current price Now $99.60, Was $249.00$249.00
ADT Blu Security Starter Kit, DIY Home Alarm System with Door and Window Sensors, Motion Detector, and ADT+ App, (Plan Required)
4.8 out of 5 stars
ADT Blu Glass Break Sensor, Machine Learning Detector, 25-Ft Range, Tamper Alerts, and ADT+ App Control, (Plan Required) $40.00

Sponsored
$4000
current price $40.00ADT Blu Glass Break Sensor, Machine Learning Detector, 25-Ft Range, Tamper Alerts, and ADT+ App Control, (Plan Required)
Best seller, SimpliSafe 7-piece Home Security System - Optional 24/7 Professional Monitoring - No Contract $149.00 Was $199.00
Best seller

Sponsored
Now$14900
current price Now $149.00, Was $199.00$199.00
SimpliSafe 7-piece Home Security System - Optional 24/7 Professional Monitoring - No Contract
4.2 out of 5 stars
SwamCam Door & Window Sensor Pool Alarm with Hub System/UL 2017 Certified to Safety for Pool Gates &All Doors, Wireless $119.95

Sponsored
$11995
current price $119.95SwamCam Door & Window Sensor Pool Alarm with Hub System/UL 2017 Certified to Safety for Pool Gates &All Doors, Wireless
50+ bought since yesterday, Philips Personal Security Window and Door Alarm, 2-Pack From $15.97
50+ bought since yesterday

2 options
Available in additional 2 optionsFrom$1597
Philips Personal Security Window and Door Alarm, 2-Pack
Best seller, BTideas Sliding Window Locks,12 pack Safety Locks for up and Down Adjustable Window with Keys,Silver $12.99
Best seller

$1299
current price $12.99BTideas Sliding Window Locks,12 pack Safety Locks for up and Down Adjustable Window with Keys,Silver
4.7 out of 5 stars
Best seller, Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office Was $19.40
Best seller

Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (10 Pcs) Home Alarm(Batteries not included) From $12.99

3 options
Available in additional 3 optionsFrom$1299
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (10 Pcs) Home Alarm(Batteries not included)
FLY HAWK Sliding Door Security Bar & Door/Window, 1 Pack Stop Home Security Bar 28-45Inch Door Jam Adjustable from Inside for Apartment Bedroom Bottom
FLY HAWK Sliding Door Security Bar & Door/Window, 1 Pack Stop Home Security Bar 28-45Inch Door Jam Adjustable from Inside for Apartment Bedroom Bottom
4.5 out of 5 stars
Best seller, Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included) From $11.99
Best seller

2 options
Available in additional 2 optionsFrom$1199
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)
SwamCam Door & Window Sensor Pool Alarm/ Certified to UL2017 Standard for Pool Gates & All Doors, Works with SwamCam System only From $54.95

Sponsored
From$5495
SwamCam Door & Window Sensor Pool Alarm/ Certified to UL2017 Standard for Pool Gates & All Doors, Works with SwamCam System only
ADT Blu Door and Window Sensor 4-Pack, Wireless Alarm Sensors with Tamper Alerts & Convenience Mode, Plan Required. $59.99

Sponsored
$5999
current price $59.99ADT Blu Door and Window Sensor 4-Pack, Wireless Alarm Sensors with Tamper Alerts & Convenience Mode, Plan Required.
DEXING 4 Pack Window Security Bar, Window Safety Bars, Adjustable Sliding Glass Door Lock, Window Lock Bar for Children Home, Extends from 15.8-27.6 Inches (White) $14.32

$1432
current price $14.32DEXING 4 Pack Window Security Bar, Window Safety Bars, Adjustable Sliding Glass Door Lock, Window Lock Bar for Children Home, Extends from 15.8-27.6 Inches (White)
4.1 out of 5 stars
2-Pack Window Security, Adjustable Wedge Window Stops & Locks for Sliding Windows Suitable for Home Offices & Cars $11.79 Was $14.15

Now$1179
current price Now $11.79, Was $14.15$14.15
2-Pack Window Security, Adjustable Wedge Window Stops & Locks for Sliding Windows Suitable for Home Offices & Cars
3 out of 5 stars
Qenwkxz 6PCS Window Security Bar, 15.7''-27.5'' Tension Rods, Sliding Door Security Bar, Diameter Window Safety Lock Bar with Rubber Tips for Bathroom Cupboards (White) $18.99 Was $28.79

Now$1899
current price Now $18.99, Was $28.79$28.79
Qenwkxz 6PCS Window Security Bar, 15.7''-27.5'' Tension Rods, Sliding Door Security Bar, Diameter Window Safety Lock Bar with Rubber Tips for Bathroom Cupboards (White)
4.1 out of 5 stars
Best seller, Door Alarms for Kids Safety, VOXON Window Alarm Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit Pack of 2 From $14.28
Best seller

2 options
Available in additional 2 optionsFrom$1428
Door Alarms for Kids Safety, VOXON Window Alarm Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit Pack of 2
4.9 out of 5 stars
Brinks Steel Adjustable Window Security Bar with Brackets 15.5" to 34", White From $26.44

3 options
Available in additional 3 optionsFrom$2644
Brinks Steel Adjustable Window Security Bar with Brackets 15.5" to 34", White
4.3 out of 5 stars
FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White
FLY HAWK Window Security Bar for House Apartment Heavy Duty, Adjustable Sliding Door Lock Bar, 18-51 inch, Matte White
4.6 out of 5 stars
Rollback, Shihaoyuan Adjustable Carbon Steel White Window Security Bar, 1pack,9.84in-16.73in $14.88 Was $16.89

Now$1488
current price Now $14.88, Was $16.89$16.89
Shihaoyuan Adjustable Carbon Steel White Window Security Bar, 1pack,9.84in-16.73in
GBIUT Window Camera, 2.4G&5G WIFI Smart Security Camera, 2K Home Security Camera for Indoor Outdoor, Blacklight Full-Color, US Cloud, 911 Emergency Dispatch, Easy & Quick Install From $29.99
From$2999
GBIUT Window Camera, 2.4G&5G WIFI Smart Security Camera, 2K Home Security Camera for Indoor Outdoor, Blacklight Full-Color, US Cloud, 911 Emergency Dispatch, Easy & Quick Install
4.1 out of 5 stars
ADT Blu Home Safety Essentials Kit, DIY System with Smoke, CO and Water Leak Sensors, and ADT+ App, (Plan Required) $119.60 Was $299.00

Sponsored
Now$11960
current price Now $119.60, Was $299.00$299.00
ADT Blu Home Safety Essentials Kit, DIY System with Smoke, CO and Water Leak Sensors, and ADT+ App, (Plan Required)
4.9 out of 5 stars
ADT Blu Doorbell Camera Kit, DIY Home Security with 2K Video Doorbell, Two-Way Talk Audio, Night Vision, and ADT+ App, (Plan Required) $299.00

Sponsored
$29900
current price $299.00ADT Blu Doorbell Camera Kit, DIY Home Security with 2K Video Doorbell, Two-Way Talk Audio, Night Vision, and ADT+ App, (Plan Required)
4.9 out of 5 stars
2Pack Adjustable Window Security Bar - Door Lock Rod for Sliding Patio Doors, 15.7-27.5" Universal Fit $11.99

$1199
current price $11.992Pack Adjustable Window Security Bar - Door Lock Rod for Sliding Patio Doors, 15.7-27.5" Universal Fit
4.1 out of 5 stars
2 PCS Black Window Security Bars Durable Iron Design for Home Safety $67.00

$6700
current price $67.002 PCS Black Window Security Bars Durable Iron Design for Home Safety
Yeyebest, 18"-51" Extendable Window Sliding Door Security Bar
Yeyebest, 18"-51" Extendable Window Sliding Door Security Bar
4.6 out of 5 stars
In 25+ people's carts, VividEye 2K Window Camera for Home Security, 5G/2.4G Wifi, Full Color Night Vision, AI Motion Detection, 24/7 Recording, Peel & Stick $26.99
In 25+ people's carts

$2699
current price $26.99VividEye 2K Window Camera for Home Security, 5G/2.4G Wifi, Full Color Night Vision, AI Motion Detection, 24/7 Recording, Peel & Stick
3.9 out of 5 stars
ADT Blu Security Starter Kit, DIY Home Alarm System with Door and Window Sensors, Motion Detector, and ADT+ App, (Plan Required) $99.60 Was $249.00

Now$9960
current price Now $99.60, Was $249.00$249.00
ADT Blu Security Starter Kit, DIY Home Alarm System with Door and Window Sensors, Motion Detector, and ADT+ App, (Plan Required)
4.8 out of 5 stars
NFTIGB Glass Break Detector High Sensitivity Adjustable Window Alarm Glass Break Sensor for Reliable Home Security System, 3.5x2.7x1.5 inches / 9.0x7.0x4.0 cm $13.26

$1326
current price $13.26NFTIGB Glass Break Detector High Sensitivity Adjustable Window Alarm Glass Break Sensor for Reliable Home Security System, 3.5x2.7x1.5 inches / 9.0x7.0x4.0 cm
Window Security Bars Inside Adjustable 18 to 51 Inch Sliding Door Security Bar $17.99

$1799
current price $17.99Window Security Bars Inside Adjustable 18 to 51 Inch Sliding Door Security Bar
4.7 out of 5 stars
In 25+ people's carts, 2K Window Security Camera with 2.4GHz WiFi, Peel & Stick Glass Mount, Night Vision, Local SD Recording, Indoor Home Monitoring Camera for Home, Baby Room & Pet Monitoring, 1 Pack $15.99
In 25+ people's carts

$1599
current price $15.992K Window Security Camera with 2.4GHz WiFi, Peel & Stick Glass Mount, Night Vision, Local SD Recording, Indoor Home Monitoring Camera for Home, Baby Room & Pet Monitoring, 1 Pack
4.2 out of 5 stars
ADT Blu Motion Sensor, Pet-Friendly Detector (Ignores Animals Under 85 lbs), 33-Ft Range, and Tamper Alerts, (Plan Required) $35.00

Sponsored
$3500
current price $35.00ADT Blu Motion Sensor, Pet-Friendly Detector (Ignores Animals Under 85 lbs), 33-Ft Range, and Tamper Alerts, (Plan Required)
ADT Blu Indoor Camera Kit, 2K Home Security Camera with Smart Detection, Two-Way Audio, and Night Vision, (Plan Required) $269.00

Sponsored
$26900
current price $269.00ADT Blu Indoor Camera Kit, 2K Home Security Camera with Smart Detection, Two-Way Audio, and Night Vision, (Plan Required)
4.8 out of 5 stars
2 Pack Black Rectangular Window Bar Guard Window Security Bars Sturdy Window Guard for Bedrooms Living Rooms Children's Rooms See price in cart

See price in cart
current price See price in cart2 Pack Black Rectangular Window Bar Guard Window Security Bars Sturdy Window Guard for Bedrooms Living Rooms Children's Rooms
3 out of 5 stars
Wireless Window Door Magnet Alarms Magnetic Sensor Security Burglar Alarm For Kid Safety $10.73

$1073
current price $10.73Wireless Window Door Magnet Alarms Magnetic Sensor Security Burglar Alarm For Kid Safety
5 out of 5 stars
HomeZone Wi-Fi Smart Wireless Window and Door Sensor with App Alerts, White From $19.97

2 options
Available in additional 2 optionsFrom$1997
HomeZone Wi-Fi Smart Wireless Window and Door Sensor with App Alerts, White
4.3 out of 5 stars
Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !! $13.98

$1398
current price $13.98Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !!
3.9 out of 5 stars
Window Locks, 4 Sets Sliding Security Window Lock with Key for Vertical & Horizontal Sliding Windows & Sliding Doors, Adjustable Window Locks for Patio Bedroom Home and Office $12.99

$1299
current price $12.99Window Locks, 4 Sets Sliding Security Window Lock with Key for Vertical & Horizontal Sliding Windows & Sliding Doors, Adjustable Window Locks for Patio Bedroom Home and Office
5 out of 5 stars
OFFIGAM 4Pcs Adjustable Window Security Bars with Anti Slip Rubber White for Home Safety $12.61 Was $14.17

Now$1261
current price Now $12.61, Was $14.17$14.17
OFFIGAM 4Pcs Adjustable Window Security Bars with Anti Slip Rubber White for Home Safety
Evjurcn Sliding Door Security Bar 17-53.5 Inches High Strength 1 Inch Adjustable Sliding Window Lock Bar with Rubber Tips for Home Hotel Apartment From $15.19
From$1519
Evjurcn Sliding Door Security Bar 17-53.5 Inches High Strength 1 Inch Adjustable Sliding Window Lock Bar with Rubber Tips for Home Hotel Apartment
HomeZone Wi-Fi Smart Keypad Window and Door Alarm with 4-Digit PIN, 100+ dB Alarm, White $14.97

$1497
current price $14.97HomeZone Wi-Fi Smart Keypad Window and Door Alarm with 4-Digit PIN, 100+ dB Alarm, White
3.5 out of 5 stars
SecurityMan Adjustable Sliding Door Security Bar, Child Lock for Patio Doors & Windows, Chrome $29.99

$2999
current price $29.99SecurityMan Adjustable Sliding Door Security Bar, Child Lock for Patio Doors & Windows, Chrome
4.7 out of 5 stars
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
GE Personal Security Window/Door, 12-Pack, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, 45989, White $45.25

$4525
current price $45.25GE Personal Security Window/Door, 12-Pack, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, 45989, White
4.3 out of 5 stars
DENEST 2 PCS Black Window Bar Guard Window Security Bars Sturdy Window Guard For Home $74.00

$7400
current price $74.00DENEST 2 PCS Black Window Bar Guard Window Security Bars Sturdy Window Guard For Home
5 out of 5 stars
4Pc Door Window Alarm - 120Db Loud Magnetic Sensor, Battery Operated, Easy Install - For Home, Office, Apartment, Shop Security, Burglar Prevention $9.59

$959
current price $9.594Pc Door Window Alarm - 120Db Loud Magnetic Sensor, Battery Operated, Easy Install - For Home, Office, Apartment, Shop Security, Burglar Prevention
SABRE Wireless Home Security Door Window Burglar Alarm, 120 dB Siren $22.75

$2275
current price $22.75SABRE Wireless Home Security Door Window Burglar Alarm, 120 dB Siren
4.5 out of 5 stars
Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm for Home Office Warehouse Shop Elderly Kids Security 4PCS
Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm for Home Office Warehouse Shop Elderly Kids Security 4PCS
4.2 out of 5 stars
4MP 2K Window Camera for Home Security No Glare Thru-Glass Full-Color Night Vision, 2.4GHz & 5GHz Dual-Band WiFi, Easy Install with Nano-Adhesive, Motion Detection, No Monthly Fee, 24/7 Recording $39.99

$3999
current price $39.994MP 2K Window Camera for Home Security No Glare Thru-Glass Full-Color Night Vision, 2.4GHz & 5GHz Dual-Band WiFi, Easy Install with Nano-Adhesive, Motion Detection, No Monthly Fee, 24/7 Recording
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
4.4 out of 5 stars
FAQ
How do window alarms actually work?
Window alarms typically use magnetic sensors to detect when a window is opened or tampered with.
- One part of the sensor attaches to the window frame, and the other to the window itself.
- When the window is closed, the magnetic connection is intact. If the window opens, the connection breaks, triggering the alarm.
- Some alarms are standalone and emit a loud sound, while others can connect to a central hub or app for alerts.
Can I install these security devices myself?
Most home window security products are designed for easy DIY installation.
- Many alarms and sensors come with adhesive backing or simple mounting hardware, so you don't need special tools.
- Instructions are usually included, and setup often involves placing the sensor and activating the device.
- Some advanced systems may require connecting to a hub or app, but these steps are generally user-friendly.
What should I look for in a window security system?
When choosing a window security system, consider these factors:
- Compatibility: Make sure the device fits your window type and size.
- Features: Decide if you want basic alarms, app connectivity, or integration with other security devices.
- Power source: Some alarms use batteries, while others may plug in or connect to a hub.
- Ease of use: Look for systems with clear instructions and simple controls.
How do I maintain my window alarms?
Regular maintenance helps keep your window alarms working reliably.
- Test alarms monthly to make sure they sound when the window opens.
- Check and replace batteries as needed, especially if you notice weaker sounds or missed alerts.
- Keep sensors and contacts clean by gently wiping them with a dry cloth.
- Review any app or hub connections to ensure they're still active and receiving alerts.
Are there options for renters who can't drill holes?
Yes, many window security products are renter-friendly and don't require drilling.
- Look for alarms and sensors with adhesive backing or removable mounting options.
- Some window locks and stops are adjustable and can be installed without permanent changes.
- Always check the product details to confirm it's suitable for temporary installation.
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