Motion Detectors
motion detectors — pre-owned
Browse 290 motion detectors — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Acuity Controls nLight NPP166 D ER EFP PA Dimming Emergency Dimming Power Pack

DGA Security D9009468 KEYPAD SECURITY
DGA Security D9009468 KEYPAD SECURITY. Condition is Used. Shipped with USPS Ground Advantage.

OPTEX AX-100TFRi Wireless 100' Photoelectric Detector Transmitter & Receiver
No other accessories are included unless shown in the photos. These are missing the covers for the fronts.

TrueLook Professional Security Surveillance Camera For Construction Jobsite
No other accessories are included unless shown in the photos.

Lutron LRF2-VCR2B-P-WH Wireless Vacancy Sensor
Lutron LRF2-VCR2B-P-W. H Wireless Vacancy Sensor.

Acuity Controls nLight NPP16 D EFP PA Dimming Power Occupancy Relay Pack 265M1U

Used Bosch DS9360 Panoramic TriTech PIR Microwave Detector

3" 150# Fisher 1098-EGR Size 40 Actuator 6353 Pilot WCB WCC Regulator
This item is described as a3" 150# Fisher 1098-EGR Size 40 Actuator 6353 Pilot WCB WCC Regulator.

Bosch long range IR Infrared illuminating for cctv security camera ZX700.730
The Bosch infrared detecting device is in as is condition and has not been tested. The backing of this device is loose and the screws are missing.
You save $9.95

Outdoor Long Range Perimeter Sensor – Works via Tuya WiFi Hub, Google, Alexa
Compatible with popular WiFi/GSM systems (Tuya, eWeLink, etc.). For example:Tuya alarm kit. Das System erzeugt eine unsichtbare Infrarot-Barriere (IR Beam / Infrarot-Lichtschranke), die bei Unterbrechung sofort einFunk-Alarmsignal (433 MHz EV1527) sendet.

NAPCO PIR1680 Motion Detector
Up for sale is a used Napco PIR 1680. Came out of working environment. Untested. Was removed from working environment.
![Aqara Motion Sensor P1 (Model: MS-S02) USED Works (Requires Aqara Hub) [AL]](https://i.ebayimg.com/images/g/gtEAAeSwaERp5nbl/s-l500.jpg)
Aqara Motion Sensor P1 (Model: MS-S02) USED Works (Requires Aqara Hub) [AL]
Aqara Motion Sensor P1 (Model: MS-S02) (Color: White) USED Works (Requires Aqara Hub). Product: Motion Sensor P1. If a motion in darkness is detected, the Motion Sensor P1 will trigger the smart wall switch to automatically turn on the light.

Set of 3 X-10 Activehome MS12A Occupancy Sensor/Motion Detector

Vergesense Occupancy Sensor Vs-L302
Vergesense Occupancy Sensor VS-L302–Pre-owned in good condition.

Acuity Controls NLIGHT NPP16 ER Dimming Side Output EM, Power/Relay Pack
The Acuity Controls NLIGHT NPP16 ER Dimming Side Output EM is a motion detector designed for use in alarm systems. It features side output capability and dimming control, making it an ideal choice for facility maintenance and safety applications. The product is manufactured by Acuity, a trusted brand in the industry, ensuring quality and reliability in its performance. Ideal for businesses looking to enhance their surveillance and alarm systems, this motion detector offers advanced features to help ensure security and maximize energy efficiency.

Bosch DS936B Ceiling-Mount PIR Motion Detector w/ Black Housing
Bosch DS936B Ceiling-Mount PIR Motion Detector w/ Black Housing,used and functional item

Optex FLX-A-DAM-X5 Indoor Pit/Combination Detector
Free shipping!

Dolan-Jenner SS950-48000 Safescan 9 Safety Light Bar Curtain Set 30' Max Range
SKU: 127790 - Dolan-Jenner SS950-48000 Safescan 9 Safety Light Bar Curtain Set 30' Max Range - Dolan-Jenner - Used SS950-48000 . -- Prefer to pick it up yourself? You are welcome to do so, by appointment. We will load it free of charge unless otherwise stated in the listing. If your purchase requires a pallet, banding or any other form of packaging, a packaging fee may apply.
You save $564.68

NEW C&K Systems Dual Tec DT-700 K-Band Dual Technology Motion Sensor
The NEW C&K Systems Dual Tec DT-700 K-Band Dual Technology Motion Sensor is a high-quality motion detector designed for use in alarm systems and surveillance equipment. Manufactured by C&K Systems, this model features dual technology for enhanced security and reliability. The DT-700 sensor is equipped with both PIR and microwave technology, ensuring that it detects motion accurately and effectively even in challenging environments. Ideal for facility maintenance and safety applications, this motion sensor provides peace of mind and protection for your business or property.

Stanguard Safety Sensor For Stanley Dura-Glide Automatic Sliding Doors
Stanguard Safety Sensor For Stanley Dura-Glide Automatic Sliding Doors. Condition is Used. Shipped with USPS Ground Advantage.

Sentrol Sharpshooter 6155 (NC) Passive Infrared Sensor
This item is being sold as used because it was originally going to be installed but then not needed.

Bosch DS160 Request to Exit PIR Sensor Detector - White color
Device looks in great condition almost willing to say it was never installed. Just the device, no box, manual or accessories. Let me know if you have questions. Thanks

11x Vergesense Occupancy Sensor Vs-L302
Pre owned lot of 11 units 1 unit is missing mounting bracket (shown in photo) other 10 have it . No batteries included

Bosch 5136/61 AutoDome Controller, Security Camera Remote Control, USED, BS
Almost everything I have for sale is actually pictured. I have no way to test this. This was pulled and sold from a local school district when the system was upgraded. The system was fully operational when it was replaced.

Optex Long Range Motion Detector CX-702 Tested & Working
This Optex Long Range Motion Detector CX-702 is a top-performing device designed to ensure the safety and security of your facility. The device has been tested and is guaranteed to be in working order. With its advanced features, it is perfect for detecting motion at a long range, making it an ideal choice for surveillance and alarm equipment. The brand of this device is Optex, a trusted name in the industry. Its model number is Cx-702, and it falls under the categories of Business & Industrial, Facility Maintenance & Safety, and Alarm Systems & Accessories. This motion detector is perfect for those who want to keep their facility safe and secure. Super clean Pulled from a working environment

Allen Bradley 870M-Z0D94 Motion Detector 10-25RPM Free Ship and Warranty
Used maintenance spare in a box of parts labeled "good".

RADIANT DVMD-1X Digital Video Motion Detector (LOT OF 2)
TheRadiant DVMD-1X is aDigital Video Motion Detector designed for video surveillance systems. This device can process and detect motion in video feeds, making it suitable for security applications where motion detection is critical.

RADIANT DVMD-1X Digital Video Motion Detector (LOT OF 2)
TheRADIANT DVMD-1X Digital Video Motion Detector is a standalone unit designed for detecting motion in video feeds. Network Connector : RJ45 port for communication with a host computer.

Optex AX-100 Plus Photoelectric Detectors
Good shape

Passive infrared Door Sensor OP-08C Optex Lot of 4
For security purposes, all of our parts are sealed and or marked so that they can be identified. Location: A45.

Kantech TRex Request to Exit PIR Motion Detector White XL, XL2, LT, LT2, SR2
You save $6.00

Banner SLSR30-900Q8 SLSE30-900Q8 E-Z Screen Light Safety Curtain Set 35"
Lift Tables. Model SLSE30-900Q8. Information and Support. Our mission is to empower industries with the tools and solutions they need to thrive in a dynamic and ever-evolving marketplace. Part Number SLSR30-900Q8.
You save $280.00

Bosch ZX835 TriTech PIR Detector With POPIT Interface
Bosch ZX835 TriTech PIR Detector With POPIT Interface - This device is Addressable like it is a popit. This device was installed in a retail store expansion during a remodel for about 2 months. It is in like-new condition.

DETECTION SYSTEMS INC. DS150i INFRARED MOTION SENSOR LOT OF TWO FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).

Set of 2 - X-10 Activehome MS14A Occupancy Sensor/PIR Motion Detector
Set of 2 - X-10 Activehome MS14A Occupancy Sensor/PIR Motion Detector

Bosch DS160 PIR Request to Exit Detector REX Sensor Tested Working
Bosch DS160 PIR Request to Exit Detector

Bug detector counter surveillance device ECR-1 Information Security Associate

Bosch DS160 Request to Exit Detector - White
Just removed from working service (12/30/25) by professional installers. Works and looks great. Could pass as new.

Allen-Bradley 870M-ZOD81 120 V AC Motion Detector
We do not accept responsibility for the correct application or installation of this item. This item should be installed and maintained by qualified individuals.
You save $10.58

Allen-Bradley 870M-ZOD97 Motion Detector
We do not accept responsibility for the correct application or installation of this item. This item should be installed and maintained by qualified individuals.
You save $19.50