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$129.46
Linear Motion Sensors: 3 1/2 in Overall Ht, 2 1/2 in Overall Wd, Lithium, 5 Yr Battery Run Time Model: NAPPIR01
Grainger
$129.46
Linear Motion Sensors: 3 1/2 in Overall Ht, 2 1/2 in Overall Wd, Lithium, 5 Yr Battery Run Time Model: NAPPIR01
Grainger
$175.85
Linear Motion Sensors: 4 1/2 in Overall Ht, 3 in Overall Wd, Lithium, 3 Yr Battery Run Time Model: DXS-54
Grainger
1
$175.85
Linear Motion Sensors: 4 1/2 in Overall Ht, 3 in Overall Wd, Lithium, 3 Yr Battery Run Time Model: DXS-54
Grainger
1
$34.99
Simplisafe - Motion Sensor - White
Best Buy
27
$34.99
Simplisafe - Motion Sensor - White
Best Buy
27
$28.50
Safety Technology International Wireless Motion-Activated Sensor: Surface/Wall, Lithium Model: STI-3601
Grainger
$28.50
Safety Technology International Wireless Motion-Activated Sensor: Surface/Wall, Lithium Model: STI-3601
Grainger
$19.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir
Amazon.com
77
$19.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir
Amazon.com
77
$16.99
EDISHINE 240 Degree Motion Sensor, Replacement Motion Detector For Outdoor Lights, Adjustable Time & Detection Range Up To 60FT, 3 Modes PIR Motion
Amazon.com
138
$16.99
EDISHINE 240 Degree Motion Sensor, Replacement Motion Detector For Outdoor Lights, Adjustable Time & Detection Range Up To 60FT, 3 Modes PIR Motion
Amazon.com
138
$155.42
Securitron XMS Exit Motion Sensor White
Amazon.com
10
Free shipping
$155.42
Securitron XMS Exit Motion Sensor White
Amazon.com
10
$15.00
$35.99
PANACARE 125Db Loud Motion Sensor Alarm Indoor Wireless Infrared Security Motion Detector With Siren, Motion Alarm,Alarm Security For Home,Home
Temu US
6
58% off
$15.00
$35.99
PANACARE 125Db Loud Motion Sensor Alarm Indoor Wireless Infrared Security Motion Detector With Siren, Motion Alarm,Alarm Security For Home,Home
Temu US
6
$18.09
$19.65
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion, Driveway Alarm,Driveway Alarm Wireless Motion Sensor
Temu US
$18.09
$19.65
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion, Driveway Alarm,Driveway Alarm Wireless Motion Sensor
Temu US
$687.00
Sensibo Air + Room Sensor
Sensibo
39
Free shipping
$687.00
Sensibo Air + Room Sensor
Sensibo
39
$22.00
$30.05
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion Detector With 900ft Long Range Loud Chime, Motion Alarm
Temu US
18
26% off
$22.00
$30.05
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion Detector With 900ft Long Range Loud Chime, Motion Alarm
Temu US
18
$149.99
Toucan Security Floodlight Cam With Radar Motion Detection
HSN
29
$149.99
Toucan Security Floodlight Cam With Radar Motion Detection
HSN
29
$197.86
EIKO SEN-WSI-PIR-A BLE PIR Motion Sensor 12-24V 1/2 Inch Button Snap-In 0-10V Daylight Harvesting 8-12 Foot Parameters Set By Silvair App (15439)
Lighting Supply
$197.86
EIKO SEN-WSI-PIR-A BLE PIR Motion Sensor 12-24V 1/2 Inch Button Snap-In 0-10V Daylight Harvesting 8-12 Foot Parameters Set By Silvair App (15439)
Lighting Supply
$234.00
ZX938Z BOSCH - Security & Motion Detectors Supplies
Radwell.com
1
$234.00
ZX938Z BOSCH - Security & Motion Detectors Supplies
Radwell.com
1
$69.76
1 2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor Detector Security Alert System Monitor Protect Outside Prope
Walmart
86
Free shipping
$69.76
1 2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor Detector Security Alert System Monitor Protect Outside Prope
Walmart
86
$299.99
Luna Pro-3000® Powerful Outdoor Motion Sensor Security Solar Light
True Lumens
$299.99
Luna Pro-3000® Powerful Outdoor Motion Sensor Security Solar Light
True Lumens
$104.92
Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$104.92
Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$36.85
Endurance White Motion Sensor For Flood And Security Lights
Home Depot
4
Free shipping
$36.85
Endurance White Motion Sensor For Flood And Security Lights
Home Depot
4
$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
$83.39
Ceiling Mount 360 Degree Large-Motion Sensor - White
Home Depot
14
Free shipping
$83.39
Ceiling Mount 360 Degree Large-Motion Sensor - White
Home Depot
14
$81.18
RAB SMS500 Motion Activated Mini Sensor, Bronze
Electric Bargain Store
73
$81.18
RAB SMS500 Motion Activated Mini Sensor, Bronze
Electric Bargain Store
73
$64.98
$129.98
Blink - Outdoor 4 Battery-Powered 1080P Security Camera With Floodlight - Black
Best Buy
204
50% off
$64.98
$129.98
Blink - Outdoor 4 Battery-Powered 1080P Security Camera With Floodlight - Black
Best Buy
204
$65.34
RAB GT500W Gotcha Indoor Outdoor 110 Degree Motion Sensor, White
Electric Bargain Store
40
$65.34
RAB GT500W Gotcha Indoor Outdoor 110 Degree Motion Sensor, White
Electric Bargain Store
40
$30.00
SATCO/NUVO Add On Motion Sensor Black Finish (SF76-501)
Lighting Supply
1
$30.00
SATCO/NUVO Add On Motion Sensor Black Finish (SF76-501)
Lighting Supply
1
$48.99
Smart Wireless Specialty Motion Sensor (1-Pack)
Home Depot
5
Free shipping
$48.99
Smart Wireless Specialty Motion Sensor (1-Pack)
Home Depot
5
$38.99
$48.99
LED Outdoor Security Accent With Motion Sensor White
Wayfair
531
Free shipping
20% off
$38.99
$48.99
LED Outdoor Security Accent With Motion Sensor White
Wayfair
531
$81.18
RAB SMS500W Motion Activated Mini Sensor, White
Electric Bargain Store
$81.18
RAB SMS500W Motion Activated Mini Sensor, White
Electric Bargain Store
$38.99
$44.95
LED Outdoor Security Accent With Motion Sensor Brown
Wayfair
531
Free shipping
13% off
$38.99
$44.95
LED Outdoor Security Accent With Motion Sensor Brown
Wayfair
531
$126.00
DS151I BOSCH - Security & Security Motion Detector Supplies
Radwell.com
$126.00
DS151I BOSCH - Security & Security Motion Detector Supplies
Radwell.com
$243.00
HX-40DAM OPTEX - Security & Security Motion Detector Supplies
Radwell.com
$243.00
HX-40DAM OPTEX - Security & Security Motion Detector Supplies
Radwell.com
$10.99
$34.53
Smart Home Security PIR Alert Infrared Sensor Alarm System Anti-Theft Human Motion Detector 105Db Siren With 2PCS Remote Control
LightInTheBox
68% off
$10.99
$34.53
Smart Home Security PIR Alert Infrared Sensor Alarm System Anti-Theft Human Motion Detector 105Db Siren With 2PCS Remote Control
LightInTheBox
$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
$159.99
Cree-2000 V2 Outdoor Motion Sensor Solar Light | German Osram | Dusk To Dawn | 2-Pack, White
True Lumens
$159.99
Cree-2000 V2 Outdoor Motion Sensor Solar Light | German Osram | Dusk To Dawn | 2-Pack, White
True Lumens
$189.78
Driveway Alarm With Solar Powered Pir Motion Sensor Detector
eBay
Free shipping
$189.78
Driveway Alarm With Solar Powered Pir Motion Sensor Detector
eBay
Free shipping
$112.18
Solar Motion Sensor Alarm Device - Waterproof, Multi-Mode, Wide-Angle Sensing...
eBay.com
Free shipping
$112.18
Solar Motion Sensor Alarm Device - Waterproof, Multi-Mode, Wide-Angle Sensing...
eBay.com
Free shipping
$30.00
SATCO/NUVO Add On Motion Sensor White Finish (SF76-500)
Lighting Supply
1
$30.00
SATCO/NUVO Add On Motion Sensor White Finish (SF76-500)
Lighting Supply
1
How Do Motion Sensors Actually Work?
9:34
YouTubeHistory of Simple Things
How Do Motion Sensors Actually Work?
Motion sensors are everywhere, from automatic lights to high-tech security systems. But how do they detect movement so effortlessly? In this video, we break down the science behind motion sensors, explore different types like PIR, ultrasonic, and microwave sensors, and highlight their fascinating applications in everyday life. Learn about their ...
44.2K views8 months ago
Shorts
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Motion Detector Install (DIY/DIT)
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Honeywell DT8000 & IS3000: Installation Instructions for PIR Motion Detectors
4:31
Honeywell DT8000 & IS3000: Installation Instructions for PIR Motion Detectors
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25.9K viewsOct 22, 2014
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Bosch motion detectors - ease of installation
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The 5 Best Outdoor Motion Sensor Light 2025 [Buying Guide]
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Sponsored
SimpliSafe® Security - $22/mo.
simplisafe.com
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Motion Detectors 101
6:35
Find in video from 00:05Introduction to Motion Detectors
Motion Detectors 101
43.7K viewsAug 5, 2021
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How Do Motion Sensors Work? - SecurityFirstCorp.com
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9 views5 months ago
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15.2K viewsJun 6, 2024
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How To Wire 2 Motion Sensors Together? - SecurityFirstCorp.com
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Top 5 Best Motion Detector Alarms — Products Review In 2021
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Shop motion sensors security

Sponsored
About our ads
$129.46
Linear Motion Sensors: 3 1/2 in Overall Ht, 2 1/2 in Overall Wd, Lithium, 5 Yr Battery Run Time Model: NAPPIR01
Grainger
$129.46
Linear Motion Sensors: 3 1/2 in Overall Ht, 2 1/2 in Overall Wd, Lithium, 5 Yr Battery Run Time Model: NAPPIR01
Grainger
$175.85
Linear Motion Sensors: 4 1/2 in Overall Ht, 3 in Overall Wd, Lithium, 3 Yr Battery Run Time Model: DXS-54
Grainger
1
$175.85
Linear Motion Sensors: 4 1/2 in Overall Ht, 3 in Overall Wd, Lithium, 3 Yr Battery Run Time Model: DXS-54
Grainger
1
$34.99
Simplisafe - Motion Sensor - White
Best Buy
27
$34.99
Simplisafe - Motion Sensor - White
Best Buy
27
$28.50
Safety Technology International Wireless Motion-Activated Sensor: Surface/Wall, Lithium Model: STI-3601
Grainger
$28.50
Safety Technology International Wireless Motion-Activated Sensor: Surface/Wall, Lithium Model: STI-3601
Grainger
$19.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir
Amazon.com
77
$19.99
2 Pack Motion Sensor, 180-Degree Replacement Motion Detector, Adjustable Time & Detection Sensitivity Up To 60 Feet Range, 3 Working Modes Pir
Amazon.com
77
$16.99
EDISHINE 240 Degree Motion Sensor, Replacement Motion Detector For Outdoor Lights, Adjustable Time & Detection Range Up To 60FT, 3 Modes PIR Motion
Amazon.com
138
$16.99
EDISHINE 240 Degree Motion Sensor, Replacement Motion Detector For Outdoor Lights, Adjustable Time & Detection Range Up To 60FT, 3 Modes PIR Motion
Amazon.com
138
$155.42
Securitron XMS Exit Motion Sensor White
Amazon.com
10
Free shipping
$155.42
Securitron XMS Exit Motion Sensor White
Amazon.com
10
$15.00
$35.99
PANACARE 125Db Loud Motion Sensor Alarm Indoor Wireless Infrared Security Motion Detector With Siren, Motion Alarm,Alarm Security For Home,Home
Temu US
6
58% off
$15.00
$35.99
PANACARE 125Db Loud Motion Sensor Alarm Indoor Wireless Infrared Security Motion Detector With Siren, Motion Alarm,Alarm Security For Home,Home
Temu US
6
$18.09
$19.65
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion, Driveway Alarm,Driveway Alarm Wireless Motion Sensor
Temu US
$18.09
$19.65
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion, Driveway Alarm,Driveway Alarm Wireless Motion Sensor
Temu US
$687.00
Sensibo Air + Room Sensor
Sensibo
39
Free shipping
$687.00
Sensibo Air + Room Sensor
Sensibo
39
$22.00
$30.05
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion Detector With 900ft Long Range Loud Chime, Motion Alarm
Temu US
18
26% off
$22.00
$30.05
Motion Sensor Alarm Outdoor Waterproof, Animal Motion Detection Alarm, Weatherproof Motion Detector With 900ft Long Range Loud Chime, Motion Alarm
Temu US
18
$149.99
Toucan Security Floodlight Cam With Radar Motion Detection
HSN
29
$149.99
Toucan Security Floodlight Cam With Radar Motion Detection
HSN
29
$197.86
EIKO SEN-WSI-PIR-A BLE PIR Motion Sensor 12-24V 1/2 Inch Button Snap-In 0-10V Daylight Harvesting 8-12 Foot Parameters Set By Silvair App (15439)
Lighting Supply
$197.86
EIKO SEN-WSI-PIR-A BLE PIR Motion Sensor 12-24V 1/2 Inch Button Snap-In 0-10V Daylight Harvesting 8-12 Foot Parameters Set By Silvair App (15439)
Lighting Supply
$234.00
ZX938Z BOSCH - Security & Motion Detectors Supplies
Radwell.com
1
$234.00
ZX938Z BOSCH - Security & Motion Detectors Supplies
Radwell.com
1
$69.76
1 2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor Detector Security Alert System Monitor Protect Outside Prope
Walmart
86
Free shipping
$69.76
1 2 Mile Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor Detector Security Alert System Monitor Protect Outside Prope
Walmart
86
$299.99
Luna Pro-3000® Powerful Outdoor Motion Sensor Security Solar Light
True Lumens
$299.99
Luna Pro-3000® Powerful Outdoor Motion Sensor Security Solar Light
True Lumens
$104.92
Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$104.92
Casambi Basicdim Wireless Bluetooth Motion Sensor Model 5DP 38RC | Wired4signs USA
Wired4Signs
$36.85
Endurance White Motion Sensor For Flood And Security Lights
Home Depot
4
Free shipping
$36.85
Endurance White Motion Sensor For Flood And Security Lights
Home Depot
4