Shop sensors for security systems

Sponsored
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$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.
$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.
$169.91
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$169.91
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
$70.00
General Purpose Infrared Motion Detector Bus-Powred (Command Control Type)
東京デバイセズ
$70.00
General Purpose Infrared Motion Detector Bus-Powred (Command Control Type)
東京デバイセズ
$394.50
Driveway Motion Sensor Alarm Kit - Wireless Detection With Customizable Chimes And "Original" Bell™ For Industrial & Residential Use
Milton Industries
$394.50
Driveway Motion Sensor Alarm Kit - Wireless Detection With Customizable Chimes And "Original" Bell™ For Industrial & Residential Use
Milton Industries
$237.94
Driveway Motion Sensor Alarm Kit - Wireless Detection With Dual Chimes And Customizable Tunes For Industrial & Residential Use | Milton Industries
Milton Industries
$237.94
Driveway Motion Sensor Alarm Kit - Wireless Detection With Dual Chimes And Customizable Tunes For Industrial & Residential Use | Milton Industries
Milton Industries
$313.09
Driveway Motion Sensor Alarm Kit - Dual Wireless Detectors With Adjustable Sensitivity And Customizable Chimes
Milton Industries
$313.09
Driveway Motion Sensor Alarm Kit - Dual Wireless Detectors With Adjustable Sensitivity And Customizable Chimes
Milton Industries
$14.24
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$14.24
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$303.59
Honeywell Vista 20P Wireless Kit With A 6160RF Keypad, One 5800PIR-Res Motion Sensor, Three 5800MINI Door/Window Contacts, And A WAVE2 Siren
Amazon.com
4
Free shipping
$303.59
Honeywell Vista 20P Wireless Kit With A 6160RF Keypad, One 5800PIR-Res Motion Sensor, Three 5800MINI Door/Window Contacts, And A WAVE2 Siren
Amazon.com
$10.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy
26K+
45% off
$10.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
80
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
$69.99
TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors X2, And Smart Hub W/ Adjustable Chime/Siren Included - White
Best Buy
Free shipping
$69.99
TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors X2, And Smart Hub W/ Adjustable Chime/Siren Included - White
Best Buy
$99.99
Ring Alarm Security Kit 5-Piece (Gen 2): Home Systems & Sensors With Smartphone Control
Target
In store
Free shipping
Curbside
$99.99
Ring Alarm Security Kit 5-Piece (Gen 2): Home Systems & Sensors With Smartphone Control
Target
$75.00
$99.00
Ajax Motionprotect Wireless Indoor Motion Detector White
Shop Ajax Security
24% off
$75.00
$99.00
Ajax Motionprotect Wireless Indoor Motion Detector White
Shop Ajax Security
$75.00
$99.00
Ajax Motionprotect Wireless Indoor Motion Detector Black
Shop Ajax Security
24% off
$75.00
$99.00
Ajax Motionprotect Wireless Indoor Motion Detector Black
Shop Ajax Security
$18.99
Satco 86/501 Led Rated Add On Motion Sensor Bronze Finish
New Feedonomics Feed - ARC 8/12/2025
$18.99
Satco 86/501 Led Rated Add On Motion Sensor Bronze Finish
New Feedonomics Feed - ARC 8/12/2025
$169.00
$199.00
Ajax Wireless Motioncam Motion Detector With Photo Verification White
Shop Ajax Security
15% off
$169.00
$199.00
Ajax Wireless Motioncam Motion Detector With Photo Verification White
Shop Ajax Security
$131.80
Tridonic Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$131.80
Tridonic Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$154.00
Bosch Security Systems Ds150i PIR Exit Sensor (White)
Keyless Access Locks
$154.00
Bosch Security Systems Ds150i PIR Exit Sensor (White)
Keyless Access Locks
$42.60
$46.86
Skylink PS-101 AAA+TM Indoor/Outdoor Motion Sensor
Action Direct
$42.60
$46.86
Skylink PS-101 AAA+TM Indoor/Outdoor Motion Sensor
Action Direct
$55.08
Lascar Electronics WIRELESS ALERT DC SENSOR - DOOR SENSOR -
DigiKey
$55.08
Lascar Electronics WIRELESS ALERT DC SENSOR - DOOR SENSOR -
DigiKey
$25.81
$28.39
Skylink HA-434TL Indoor/Outdoor Motion Sensor
Action Direct
$25.81
$28.39
Skylink HA-434TL Indoor/Outdoor Motion Sensor
Action Direct
$44.97
$80.00
Wireless Driveway Alarm With Motion Sensor
Until Times Up
43% off
$44.97
$80.00
Wireless Driveway Alarm With Motion Sensor
Until Times Up
$37.99
PIR Motion Sensor For Selectable CCT And Wattage Fixtures - UHBD-S2
Super Bright LEDs
$37.99
PIR Motion Sensor For Selectable CCT And Wattage Fixtures - UHBD-S2
Super Bright LEDs
$24.49
Wbm Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security, App Control Alarm
Kohl's
$24.49
Wbm Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security, App Control Alarm
Kohl's
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
ilenaavetikyan
54% off
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
ilenaavetikyan
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
aquabele
54% off
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
aquabele
$379.00
MS SEDCO DH400 FRM-AI Combination Motion & Presence Sensor
Keyless Access Locks
$379.00
MS SEDCO DH400 FRM-AI Combination Motion & Presence Sensor
Keyless Access Locks
$13.99
$14.99
Goveelife Smart Wireless Motion Sensor, 1 Pack
Govee-US
$13.99
$14.99
Goveelife Smart Wireless Motion Sensor, 1 Pack
Govee-US
$25.71
Skylink Wireless Aaa+ Garage Door Sensor (Gs-101)
Walmart
Free shipping
30-day returns
$25.71
Skylink Wireless Aaa+ Garage Door Sensor (Gs-101)
Walmart
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
Lightstudioai-w
54% off
$41.30
$90.86
Chamberlain Outdoor Sensor Wireless Driveway Motion Alert Alarm Detector System
Lightstudioai-w
$49.00
Motion Sensor Kits For Konlite Vela LED Area Light - PIR Sensor - For Dark Bronze Version Only - Assembly Required Before Shipping
Revolve LED
$49.00
Motion Sensor Kits For Konlite Vela LED Area Light - PIR Sensor - For Dark Bronze Version Only - Assembly Required Before Shipping
Revolve LED
$359.80
AXIS F4005-E Indoor/Outdoor Dome Sensor Unit
A1 Security Cameras
$359.80
AXIS F4005-E Indoor/Outdoor Dome Sensor Unit
A1 Security Cameras
$34.99
Lutron 5 Amps Single Pole Motion Sensor Alarm/Sensor Switch White 1 Pk
Ace Hardware
$34.99
Lutron 5 Amps Single Pole Motion Sensor Alarm/Sensor Switch White 1 Pk
Ace Hardware
$26.99
MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
Target
Free shipping
$26.99
MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
Target
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    Shop sensors for security systems

    Sponsored
    About our ads
    $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.
    $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.
    $169.91
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    50% off
    $169.91
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    $70.00
    General Purpose Infrared Motion Detector Bus-Powred (Command Control Type)
    東京デバイセズ
    $70.00
    General Purpose Infrared Motion Detector Bus-Powred (Command Control Type)
    東京デバイセズ
    $394.50
    Driveway Motion Sensor Alarm Kit - Wireless Detection With Customizable Chimes And "Original" Bell™ For Industrial & Residential Use
    Milton Industries
    $394.50
    Driveway Motion Sensor Alarm Kit - Wireless Detection With Customizable Chimes And "Original" Bell™ For Industrial & Residential Use
    Milton Industries
    $237.94
    Driveway Motion Sensor Alarm Kit - Wireless Detection With Dual Chimes And Customizable Tunes For Industrial & Residential Use | Milton Industries
    Milton Industries
    $237.94
    Driveway Motion Sensor Alarm Kit - Wireless Detection With Dual Chimes And Customizable Tunes For Industrial & Residential Use | Milton Industries
    Milton Industries
    $313.09
    Driveway Motion Sensor Alarm Kit - Dual Wireless Detectors With Adjustable Sensitivity And Customizable Chimes
    Milton Industries
    $313.09
    Driveway Motion Sensor Alarm Kit - Dual Wireless Detectors With Adjustable Sensitivity And Customizable Chimes
    Milton Industries
    $14.24
    Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
    Amazon.com
    3K+
    $14.24
    Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
    Amazon.com
    $303.59
    Honeywell Vista 20P Wireless Kit With A 6160RF Keypad, One 5800PIR-Res Motion Sensor, Three 5800MINI Door/Window Contacts, And A WAVE2 Siren
    Amazon.com
    4
    Free shipping
    $303.59
    Honeywell Vista 20P Wireless Kit With A 6160RF Keypad, One 5800PIR-Res Motion Sensor, Three 5800MINI Door/Window Contacts, And A WAVE2 Siren
    Amazon.com
    $10.99
    $19.99
    Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
    Best Buy
    26K+
    45% off
    $10.99
    $19.99
    Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
    Best Buy
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    80
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    $69.99
    TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors X2, And Smart Hub W/ Adjustable Chime/Siren Included - White
    Best Buy
    Free shipping
    $69.99
    TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors X2, And Smart Hub W/ Adjustable Chime/Siren Included - White
    Best Buy
    $99.99
    Ring Alarm Security Kit 5-Piece (Gen 2): Home Systems & Sensors With Smartphone Control
    Target
    In store
    Free shipping
    Curbside
    $99.99
    Ring Alarm Security Kit 5-Piece (Gen 2): Home Systems & Sensors With Smartphone Control
    Target
    $75.00
    $99.00
    Ajax Motionprotect Wireless Indoor Motion Detector White
    Shop Ajax Security
    24% off
    $75.00
    $99.00
    Ajax Motionprotect Wireless Indoor Motion Detector White
    Shop Ajax Security
    $75.00
    $99.00
    Ajax Motionprotect Wireless Indoor Motion Detector Black
    Shop Ajax Security
    24% off
    $75.00
    $99.00
    Ajax Motionprotect Wireless Indoor Motion Detector Black
    Shop Ajax Security
    $18.99
    Satco 86/501 Led Rated Add On Motion Sensor Bronze Finish
    New Feedonomics Feed - ARC 8/12/2025
    $18.99
    Satco 86/501 Led Rated Add On Motion Sensor Bronze Finish
    New Feedonomics Feed - ARC 8/12/2025
    $169.00
    $199.00
    Ajax Wireless Motioncam Motion Detector With Photo Verification White
    Shop Ajax Security
    15% off
    $169.00
    $199.00
    Ajax Wireless Motioncam Motion Detector With Photo Verification White
    Shop Ajax Security
    $131.80
    Tridonic Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
    Wired4Signs
    $131.80
    Tridonic Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
    Wired4Signs