Shop home security sensors

Sponsored
About our ads
$136.95
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$136.95
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$135.75
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$135.75
$339.91
Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$138.95
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$138.95
$347.92
Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$15.99
$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
26K+
60% off
$15.99
$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
26K+
$69.99
Leviton Ceiling Mount Occupancy Sensor, OSC20-M0W, White
Amazon.com
77
$69.99
Leviton Ceiling Mount Occupancy Sensor, OSC20-M0W, White
Amazon.com
77
$122.55
$307.93
1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$122.55
$307.93
1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$248.95
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$248.95
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$31.99
Wireless Motion Sensor Door Chime: Indoor Motion Detector Alarm Business Entry Doorbell Store Entrance Alert Bell Buzzer (1000ft Range, 32 Tunes, 5
Amazon.com
910
$31.99
Wireless Motion Sensor Door Chime: Indoor Motion Detector Alarm Business Entry Doorbell Store Entrance Alert Bell Buzzer (1000ft Range, 32 Tunes, 5
Amazon.com
910
$44.99
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
Amazon.com
2K+
Free shipping
$44.99
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
Amazon.com
2K+
$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
565
$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
565
$28.79
$35.99
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor
Amazon.com
7K+
20% off
$28.79
$35.99
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor
Amazon.com
7K+
$59.99
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
Amazon.com
1K+
Free shipping
$59.99
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
Amazon.com
1K+
$47.85
Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor With 35 Foot Range
Amazon.com
723
Free shipping
$47.85
Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor With 35 Foot Range
Amazon.com
723
$36.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
199
Free shipping
$36.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
199
$39.99
Driveway Alarm- Long Range & 30 Chimes Wireless Solar Motion Sensor - IP65 Outside Weatherproof Solar Driveway Alarm -Home Security Alert System-
Amazon.com
62
Free shipping
$39.99
Driveway Alarm- Long Range & 30 Chimes Wireless Solar Motion Sensor - IP65 Outside Weatherproof Solar Driveway Alarm -Home Security Alert System-
Amazon.com
62
$31.99
$33.99
Calltou Wireless Motion Sensor Alarm Indoor Motion Detector Alarm, Bed Alarms For Elderly Dementia Patients, Motion Sensor Door Chime With 500 ft
Amazon.com
1
$31.99
$33.99
Calltou Wireless Motion Sensor Alarm Indoor Motion Detector Alarm, Bed Alarms For Elderly Dementia Patients, Motion Sensor Door Chime With 500 ft
Amazon.com
1
$19.99
RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch For Office Home Security System, Sets Of 5
Amazon.com
1
$19.99
RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch For Office Home Security System, Sets Of 5
Amazon.com
1
$81.49
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector(1
Amazon.com
4K+
Free shipping
$81.49
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector(1
Amazon.com
4K+
$118.15
$295.94
Apartment Home Security System | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$118.15
$295.94
Apartment Home Security System | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$79.99
$99.99
Ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible With Ecobee Smart Thermostats For Home
Amazon.com
7K+
Free shipping
20% off
$79.99
$99.99
Ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible With Ecobee Smart Thermostats For Home
Amazon.com
7K+
$23.99
$59.99
Ring Alarm Motion Detector 2-Pack (White) | Pet-Friendly Security With Adjustable Settings | 90° Coverage & 25ft Range | Easy Installation | Base
Amazon.com
10K+
60% off
$23.99
$59.99
Ring Alarm Motion Detector 2-Pack (White) | Pet-Friendly Security With Adjustable Settings | 90° Coverage & 25ft Range | Easy Installation | Base
Amazon.com
10K+
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
39
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
39
$85.50
Leviton Long Range Wall Mount Occupancy Sensor, OSWLR-I0W, White
Amazon.com
Free shipping
$85.50
Leviton Long Range Wall Mount Occupancy Sensor, OSWLR-I0W, White
Amazon.com
Free shipping
$80.97
$106.99
Securitron XMS Exit Motion Sensor White
Amazon.com
13
Free shipping
24% off
$80.97
$106.99
Securitron XMS Exit Motion Sensor White
Amazon.com
13
$129.35
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$129.35
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$32.35
Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
Amazon.com
567
$32.35
Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert, Garage Driveway Alarm
Amazon.com
567
$39.99
$49.99
HTZSAFE Driveway Alarm- Driveway Alarms Wireless Outside Weatherproof Solar Motion Sensor&Detector- 1/2 Mile Long Range Driveway Alarm System- 1
Amazon.com
497
Free shipping
20% off
$39.99
$49.99
HTZSAFE Driveway Alarm- Driveway Alarms Wireless Outside Weatherproof Solar Motion Sensor&Detector- 1/2 Mile Long Range Driveway Alarm System- 1
Amazon.com
497
$32.99
4 Pack Dusk To Dawn Sensor For Outdoor Lighting, 120-277V Photoelectric Switch, UL Listed Photocell Light Sensor Hardwired, IP65 Photocell With Swivel
Amazon.com
614
$32.99
4 Pack Dusk To Dawn Sensor For Outdoor Lighting, 120-277V Photoelectric Switch, UL Listed Photocell Light Sensor Hardwired, IP65 Photocell With Swivel
Amazon.com
614
$10.99
$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+
45% off
$10.99
$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+
$47.99
Dakota Alert Wireless Driveway Alarm Sensor - DCMT-4000 Long Range, Passive Infrared Motion Detection, Home Security, Backyard Monitoring, Entry Alert
Amazon.com
741
Free shipping
$47.99
Dakota Alert Wireless Driveway Alarm Sensor - DCMT-4000 Long Range, Passive Infrared Motion Detection, Home Security, Backyard Monitoring, Entry Alert
Amazon.com
741
$21.24
TREEWELL 240° & 360° Replacement Motion Sensor, Adjustable Time & Detection Sensitivity Up To 70 Feet Range, 4 Working Modes Outdoor Motion Detector
Amazon.com
60
$21.24
TREEWELL 240° & 360° Replacement Motion Sensor, Adjustable Time & Detection Sensitivity Up To 70 Feet Range, 4 Working Modes Outdoor Motion Detector
Amazon.com
60
$15.99
Sensky 360 Degree Ceiling Occupancy Sensor PIR Motion Sensor Switch With 3 detectors,10-40ft High Sensitive Ceiling Motion Sensor Light Switch(110V-
Amazon.com
70
$15.99
Sensky 360 Degree Ceiling Occupancy Sensor PIR Motion Sensor Switch With 3 detectors,10-40ft High Sensitive Ceiling Motion Sensor Light Switch(110V-
Amazon.com
70
$59.99
Wireless Driveway Alarm 1800 Feet Long Range Motion Sensor Alert System Driveway Detector For Home With 1800Mah Rechargeable Battery (1&2-Brown)
Amazon.com
435
Free shipping
$59.99
Wireless Driveway Alarm 1800 Feet Long Range Motion Sensor Alert System Driveway Detector For Home With 1800Mah Rechargeable Battery (1&2-Brown)
Amazon.com
435
$176.55
$441.90
Mid-Sized Home Security System | Entry, Motion And Glassbreak Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
60% off
$176.55
$441.90
Mid-Sized Home Security System | Entry, Motion And Glassbreak Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$94.99
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
Amazon.com
87
Free shipping
$94.99
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
Amazon.com
87
$352.02
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
15
Free shipping
$352.02
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
15
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop home security sensors

    Sponsored
    About our ads
    $136.95
    $342.92
    Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    60% off
    $136.95
    $342.92
    Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $135.75
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    60% off
    $135.75
    $339.91
    Three-Story Home Security System | Complete Intrusion Protection | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $138.95
    $347.92
    Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    60% off
    $138.95
    $347.92
    Mid-Sized Home Security, Complete Intrusion Protection | Glassbreak, Motion, Entry | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $15.99
    $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
    26K+
    60% off
    $15.99
    $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
    26K+
    $69.99
    Leviton Ceiling Mount Occupancy Sensor, OSC20-M0W, White
    Amazon.com
    77
    $69.99
    Leviton Ceiling Mount Occupancy Sensor, OSC20-M0W, White
    Amazon.com
    77
    $122.55
    $307.93
    1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    60% off
    $122.55
    $307.93
    1500 Sq. Ft. Home Security System | 1 Rated | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $248.95
    $622.79
    Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    60% off
    $248.95
    $622.79
    Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
    SimpliSafe, Inc.
    Free shipping
    $31.99
    Wireless Motion Sensor Door Chime: Indoor Motion Detector Alarm Business Entry Doorbell Store Entrance Alert Bell Buzzer (1000ft Range, 32 Tunes, 5
    Amazon.com
    910
    $31.99
    Wireless Motion Sensor Door Chime: Indoor Motion Detector Alarm Business Entry Doorbell Store Entrance Alert Bell Buzzer (1000ft Range, 32 Tunes, 5
    Amazon.com
    910
    $44.99
    1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
    Amazon.com
    2K+
    Free shipping
    $44.99
    1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
    Amazon.com
    2K+
    $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
    565
    $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
    565
    $28.79
    $35.99
    Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor
    Amazon.com
    7K+
    20% off
    $28.79
    $35.99
    Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor
    Amazon.com
    7K+
    $59.99
    Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
    Amazon.com
    1K+
    Free shipping
    $59.99
    Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & Detector Driveway Alert System With Rechargeable Battery/Weatherproof/Mute
    Amazon.com
    1K+
    $47.85
    Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor With 35 Foot Range
    Amazon.com
    723
    Free shipping
    $47.85
    Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor With 35 Foot Range
    Amazon.com
    723
    $36.88
    Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
    Amazon.com
    199
    Free shipping
    $36.88
    Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
    Amazon.com
    199
    $39.99
    Driveway Alarm- Long Range & 30 Chimes Wireless Solar Motion Sensor - IP65 Outside Weatherproof Solar Driveway Alarm -Home Security Alert System-
    Amazon.com
    62
    Free shipping
    $39.99
    Driveway Alarm- Long Range & 30 Chimes Wireless Solar Motion Sensor - IP65 Outside Weatherproof Solar Driveway Alarm -Home Security Alert System-
    Amazon.com
    62
    $31.99
    $33.99
    Calltou Wireless Motion Sensor Alarm Indoor Motion Detector Alarm, Bed Alarms For Elderly Dementia Patients, Motion Sensor Door Chime With 500 ft
    Amazon.com
    1
    $31.99
    $33.99
    Calltou Wireless Motion Sensor Alarm Indoor Motion Detector Alarm, Bed Alarms For Elderly Dementia Patients, Motion Sensor Door Chime With 500 ft
    Amazon.com
    1
    $19.99
    RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch For Office Home Security System, Sets Of 5
    Amazon.com
    1
    $19.99
    RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch For Office Home Security System, Sets Of 5
    Amazon.com
    1
    $81.49
    1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector(1
    Amazon.com
    4K+
    Free shipping
    $81.49
    1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector(1
    Amazon.com
    4K+