Shop Home Intruder Detection Devices

Sponsored
About our ads
$34.99
Simplisafe - Motion Sensor - White
Best Buy
428
$34.99
Simplisafe - Motion Sensor - White
Best Buy
428
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
80
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
80
$34.99
$54.99
Swann - Wireless Motion Alert Sensor (2-Pack) - White
Best Buy
108
36% off
$34.99
$54.99
Swann - Wireless Motion Alert Sensor (2-Pack) - White
Best Buy
108
$102.90
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$102.90
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$102.00
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$102.00
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$104.40
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$104.40
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$246.33
$307.93
1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
20% off
$246.33
$307.93
1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$34.25
Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
Amazon.com
371
$34.25
Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
Amazon.com
371
$259.12
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
20% off
$259.12
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$399.99
Simplisafe 12 Piece Wireless Home Security System W/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible With Alexa And Google
Amazon.com
1K+
Free shipping
$399.99
Simplisafe 12 Piece Wireless Home Security System W/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible With Alexa And Google
Amazon.com
1K+
$54.99
Simplisafe - 4Pack Entry Sensor - White
Best Buy
2K+
Free shipping
$54.99
Simplisafe - 4Pack Entry Sensor - White
Best Buy
2K+
$131.40
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$131.40
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$36.99
Yistech Caregiver Pager Door Alarms For Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor For Elderly/Business/Home/Store (Three
Amazon.com
4
Free shipping
$36.99
Yistech Caregiver Pager Door Alarms For Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor For Elderly/Business/Home/Store (Three
Amazon.com
4
$78.18
$90.64
BOSCH SECURITY VIDEO DS150I Motion Sensor (NA)
Amazon.com
56
Free shipping
13% off
$78.18
$90.64
BOSCH SECURITY VIDEO DS150I Motion Sensor (NA)
Amazon.com
56
$134.10
$446.87
2000 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$134.10
$446.87
2000 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$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
27K+
Free shipping
$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
27K+
$19.99
Ailuce Hidden Camera Detectors Portable Spy Camera Finder Infrared Scanner Wireless Signal/GPS Tracker Detector Bug Detector Burglar Alarm For Travel/
Amazon.com
2
$19.99
Ailuce Hidden Camera Detectors Portable Spy Camera Finder Infrared Scanner Wireless Signal/GPS Tracker Detector Bug Detector Burglar Alarm For Travel/
Amazon.com
2
$128.40
$427.90
1750 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$128.40
$427.90
1750 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$39.99
BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 4 Motion Detector And 2 Alarm, 38
Amazon.com
286
Free shipping
$39.99
BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 4 Motion Detector And 2 Alarm, 38
Amazon.com
286
$27.98
Solar Outdoor Motion Sensor Alarm - Noise Maker129db Alarm, Recording, Siren, Dog Bark & Gunshot. With Remote, Wide-Angle Sensing. Fit Indoor/Outdoor.
Amazon.com
67
$27.98
Solar Outdoor Motion Sensor Alarm - Noise Maker129db Alarm, Recording, Siren, Dog Bark & Gunshot. With Remote, Wide-Angle Sensing. Fit Indoor/Outdoor.
Amazon.com
67
$142.95
Zoeller 771302 Apak Control Enabled Indoor Alarm System With Reed Sensor
Amazon.com
20
Free shipping
$142.95
Zoeller 771302 Apak Control Enabled Indoor Alarm System With Reed Sensor
Amazon.com
20
$69.99
Chunhee Solar Sound & Light Alarm Outdoor Motion Sensor 129Db Siren Sound Alert & 6Leds Flash Warning Security Alarm System For Farm,Villa,Home,Yard,
Amazon.com
222
Free shipping
$69.99
Chunhee Solar Sound & Light Alarm Outdoor Motion Sensor 129Db Siren Sound Alert & 6Leds Flash Warning Security Alarm System For Farm,Villa,Home,Yard,
Amazon.com
222
$20.99
AMHEY Motion Sensor Door Chime, Wireless Motion Detector Alarm Indoor, Business Entry Alert Bell With Buzzer, Doorbell For Home/Garage Door/Store, USB
Amazon.com
120
$20.99
AMHEY Motion Sensor Door Chime, Wireless Motion Detector Alarm Indoor, Business Entry Alert Bell With Buzzer, Doorbell For Home/Garage Door/Store, USB
Amazon.com
120
$19.99
Emylo Wifi Smart Motion Sensor, PIR Motion Detector, Infrared Sensor With APP Real-Time Push, 128° Detection Range, USB & Battery Dual Power Supply,
Amazon.com
$19.99
Emylo Wifi Smart Motion Sensor, PIR Motion Detector, Infrared Sensor With APP Real-Time Push, 128° Detection Range, USB & Battery Dual Power Supply,
Amazon.com
$29.99
$49.99
Pyle Handheld Metal Detector Security Wand - Portable Battery Operated Super Security Scanner W/ Adjustable Sensitivity, Sound Vibration Alerts,
Amazon.com
812
40% off
$29.99
$49.99
Pyle Handheld Metal Detector Security Wand - Portable Battery Operated Super Security Scanner W/ Adjustable Sensitivity, Sound Vibration Alerts,
Amazon.com
812
$229.99
$349.99
Arlo - Home Security System Bundle - White
Best Buy
Free shipping
34% off
$229.99
$349.99
Arlo - Home Security System Bundle - White
Best Buy
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
$34.99
Simplisafe Motion Sensor - Compatible With Gen 2 Home Security System
Amazon.com
108
$34.99
Simplisafe Motion Sensor - Compatible With Gen 2 Home Security System
Amazon.com
108
$25.99
CPVAN 125Db Loud Motion Sensor Alarm With 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Security Motion Detector With
Amazon.com
5K+
$25.99
CPVAN 125Db Loud Motion Sensor Alarm With 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Security Motion Detector With
Amazon.com
5K+
$91.60
5-Piece Home Alarm Kit White
Eufy
814
$91.60
5-Piece Home Alarm Kit White
Eufy
814
$18.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir Motion
Amazon.com
77
$18.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir Motion
Amazon.com
77
$10.99
$19.99
Hidden Camera Detectors - Anti Spy Detector 2025 Pro Portable Finder, GPS Tracker Scanner, Bug Detector With 360° Detection For Hotel, Home, Office,
Amazon.com
30
45% off
$10.99
$19.99
Hidden Camera Detectors - Anti Spy Detector 2025 Pro Portable Finder, GPS Tracker Scanner, Bug Detector With 360° Detection For Hotel, Home, Office,
Amazon.com
30
$29.68
SENKEFEI SS Solar-Outdoor Motion Sensor Alarm - 130Db Motion Detector Alarm Light,With Remote Controller For Home, Villa,Yard,Chicken Coop,Farm,Barn
Amazon.com
1
$29.68
SENKEFEI SS Solar-Outdoor Motion Sensor Alarm - 130Db Motion Detector Alarm Light,With Remote Controller For Home, Villa,Yard,Chicken Coop,Farm,Barn
Amazon.com
1
$134.10
KEULGOUL Hidden Camera Detector Camera Finder Bug Detector, Tracker Detector Bug Sweeper For Privacy Protection For Car Hotels Office Home Travel
Amazon.com
7
Free shipping
$134.10
KEULGOUL Hidden Camera Detector Camera Finder Bug Detector, Tracker Detector Bug Sweeper For Privacy Protection For Car Hotels Office Home Travel
Amazon.com
7
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
1K+
Free shipping
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
1K+
$132.60
$441.90
Mid-Sized Home Security System | Entry, Motion And Glassbreak Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
69% off
$132.60
$441.90
Mid-Sized Home Security System | Entry, Motion And Glassbreak Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop Home Intruder Detection Devices

    Sponsored
    About our ads
    $34.99
    Simplisafe - Motion Sensor - White
    Best Buy
    428
    $34.99
    Simplisafe - Motion Sensor - White
    Best Buy
    428
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    80
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    80
    $34.99
    $54.99
    Swann - Wireless Motion Alert Sensor (2-Pack) - White
    Best Buy
    108
    36% off
    $34.99
    $54.99
    Swann - Wireless Motion Alert Sensor (2-Pack) - White
    Best Buy
    108
    $102.90
    $342.92
    Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $102.90
    $342.92
    Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $102.00
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $102.00
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $104.40
    $347.92
    Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $104.40
    $347.92
    Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $246.33
    $307.93
    1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    20% off
    $246.33
    $307.93
    1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $34.25
    Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
    Amazon.com
    371
    $34.25
    Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
    Amazon.com
    371
    $259.12
    $323.92
    Two-Story Home Security System | Window And Door Detection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    20% off
    $259.12
    $323.92
    Two-Story Home Security System | Window And Door Detection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $399.99
    Simplisafe 12 Piece Wireless Home Security System W/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible With Alexa And Google
    Amazon.com
    1K+
    Free shipping
    $399.99
    Simplisafe 12 Piece Wireless Home Security System W/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible With Alexa And Google
    Amazon.com
    1K+
    $54.99
    Simplisafe - 4Pack Entry Sensor - White
    Best Buy
    2K+
    Free shipping
    $54.99
    Simplisafe - 4Pack Entry Sensor - White
    Best Buy
    2K+
    $131.40
    $437.91
    Large Home Security System | Smoke And Fire Detection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $131.40
    $437.91
    Large Home Security System | Smoke And Fire Detection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $36.99
    Yistech Caregiver Pager Door Alarms For Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor For Elderly/Business/Home/Store (Three
    Amazon.com
    4
    Free shipping
    $36.99
    Yistech Caregiver Pager Door Alarms For Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor For Elderly/Business/Home/Store (Three
    Amazon.com
    4
    $78.18
    $90.64
    BOSCH SECURITY VIDEO DS150I Motion Sensor (NA)
    Amazon.com
    56
    Free shipping
    13% off
    $78.18
    $90.64
    BOSCH SECURITY VIDEO DS150I Motion Sensor (NA)
    Amazon.com
    56
    $134.10
    $446.87
    2000 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $134.10
    $446.87
    2000 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $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
    27K+
    Free shipping
    $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
    27K+
    $19.99
    Ailuce Hidden Camera Detectors Portable Spy Camera Finder Infrared Scanner Wireless Signal/GPS Tracker Detector Bug Detector Burglar Alarm For Travel/
    Amazon.com
    2
    $19.99
    Ailuce Hidden Camera Detectors Portable Spy Camera Finder Infrared Scanner Wireless Signal/GPS Tracker Detector Bug Detector Burglar Alarm For Travel/
    Amazon.com
    2
    $128.40
    $427.90
    1750 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    69% off
    $128.40
    $427.90
    1750 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping