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Best Motion Detectors Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors
WIDE RANGE OF APPLICATIONS : The wireless weather resistant driveway alarm motion sensor can be used to monitor&protect your outdoor/indoor property. Such as driveway, front porch, gate,pool,garage,shed and etc. Great for home, business,and office.The sensor will work properly at all the seasons. Working temperature range from -30 to 150 degree Fahrenheit.

$34.39 $42.99
Best Value

New
Driveway Alarm Wireless Outside, 1 BY ONE Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property
Wireless Motion Sensor Alarm: A Motion detector is essential in a home security system; It can detect movement in the surrounding areas: driveway, front porch, gate, home, shed, office, walkway, swimming pool, etc, and trigger alerts to the linked receiver; It provides an added level of security and safety to your property and loved ones

$25.99 $34.99
Used
Driveway Alarm Wireless Outside, 1 BY ONE Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property
Wireless Motion Sensor Alarm: A Motion detector is essential in a home security system; It can detect movement in the surrounding areas: driveway, front porch, gate, home, shed, office, walkway, swimming pool, etc, and trigger alerts to the linked receiver; It provides an added level of security and safety to your property and loved ones

$23.08
New
Solar Motion Sensor Alarm Outdoor,Motion Sensor Alarm,13 Sound,Dog Barking&Gunshot,2x130db Loud Noise Maker,4 Modes,Red&Blue Motion Activated Strobe Light,Say Goodbye to The Intruders,for Garden,Yard
【Motion Detection Activation】Motion sensor alarm outdoor detects any motion within 10-20 feet and activates sound and flashing.Never miss any situation, including people and animals by the motion detectors. 24-hour protection of our property.

$28.99
23% Off

New
Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School
【58 RINGTONES & 5 VOLUME LEVELS】 Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash

$19.24 $24.99
New
Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School
【58 RINGTONES & 5 VOLUME LEVELS】 Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash

$24.99
30% Off

New
1byone Driveway Alarm, Home Security Alert System with 36 Melodies, 1 Plug-in Receiver and 2 Weatherproof PIR Motion Detector, 1000ft Wireless Transmission Range and 24ft PIR Detection Range
Wide Range Of Uses: Motion detection is an essential part of any home security solution; The waterproof sensors in this system use Passive Infrared to detect heat and movement so you can quickly be alerted to movement on your driveway, front porch, gate, shed, walkway, or even swimming pool (for when kids get too close); Great for homes, businesses, and offices

$20.99 $29.99
22% Off

New
TP-Link Tapo Motion Sensor, Requires Tapo Hub, Long Battery Life w/Sub-1G Low-Power Wireless Protocol, Wide Range Detection, Adjustable Sensitivity, Real-Time Notification, Smart Action, Tapo T100
REQUIRES Tapo Hub- To utilize Tapo motion sensor T100, a Tapo hub H100 (sold separately) and a secured 2.4 GHz Wi-Fi network connection are required. Tapo T100 communicates with the hub via the Sub-1G Low-Power Wireless protocol, which provides extended battery life for the sensor and a wider coverage area compared to Wi-Fi. The Tapo Hub H100 can connect up to 64 sensors simultaneously and includes a 90dB ringer with 19 different ringing tones. The Tapo Hub also enables the use ofSmart Action for sensors and other Tapo devices even when the network is disconnected and is highly responsive.

$13.97 $17.99
28% Off

New
EDISHINE Motion Sensor, 180-Degree Replacement Motion Detector for Security Floodlights, Adjustable Time & Detection Sensitivity Range Up to 60 Feet, 3 Modes Pir Motion Sensor, Brown, UL Listed
【3 Modes Control】[AUTO]:At night, activate connecting devices once detecting motion and OFF after a preselected delay time; [DUSK TO DAWN]: work automatically at dark and not be triggered in the daytime; [Manual Override Mode]: turn wall switch OFF and ON within 3 seconds, devices will keep ON for 8 hours and return to Auto Mode automatically

$12.99 $17.99
17% Off

New
EDISHINE Motion Sensor, 180-Degree Replacement Motion Detector for Security Floodlights, Adjustable Time & Detection Sensitivity Range Up to 60 Feet, 3 Modes Pir Motion Sensor, Brown, UL Listed
【3 Modes Control】[AUTO]:At night, activate connecting devices once detecting motion and OFF after a preselected delay time; [DUSK TO DAWN]: work automatically at dark and not be triggered in the daytime; [Manual Override Mode]: turn wall switch OFF and ON within 3 seconds, devices will keep ON for 8 hours and return to Auto Mode automatically

$14.99 $17.99

10 Motion Detectors deals are available from: Amazon stores, starting from $12.99.
The biggest discount we found is 30% on 1byone Driveway Alarm, Home Security Alert System with 36 Melodies, 1 Plug-in Receiver and 2 Weatherproof PIR Motion Detector, 1000ft Wireless Transmission Range and 24ft PIR Detection Range at Amazon.
The lowest price we found is $12.99 while the highest is $34.39.
Prices for the best Motion Detectors deals average at $21.96.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Motion Detectors.