![IR Break Beam Sensors with Premium Wire Header Ends - 3mm LEDs : ID 2167 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits IR Break Beam Sensors with Premium Wire Header Ends - 3mm LEDs : ID 2167 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2167-05.jpg)
IR Break Beam Sensors with Premium Wire Header Ends - 3mm LEDs : ID 2167 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![IR Break Beam Sensor with Premium Wire Header Ends - 5mm LEDs : ID 2168 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits IR Break Beam Sensor with Premium Wire Header Ends - 5mm LEDs : ID 2168 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2168-04.jpg)
IR Break Beam Sensor with Premium Wire Header Ends - 5mm LEDs : ID 2168 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection : Electronics Amazon.com: Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection : Electronics](https://m.media-amazon.com/images/I/61y7ddFE9UL.jpg)
Amazon.com: Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection : Electronics
![Ludlz Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection - Walmart.com Ludlz Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection - Walmart.com](https://i5.walmartimages.com/asr/1c99abfa-dfaf-431d-b7d1-8edc00e47537.efa584aa29254f35c04f43409daab759.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Ludlz Infrared Beam Detector, 10m IR Beam Sensor Home Outdoor Security Alarm Human Body Detector Perimeter Protection - Walmart.com
![Dahszhi Dual Laser Detector Alarm Beam Sensor Indoor 300m Outdoor 60m Infrared Detector 6.7"x3.1" - Amazon.com Dahszhi Dual Laser Detector Alarm Beam Sensor Indoor 300m Outdoor 60m Infrared Detector 6.7"x3.1" - Amazon.com](https://m.media-amazon.com/images/I/51sU3gMtUCL.jpg)
Dahszhi Dual Laser Detector Alarm Beam Sensor Indoor 300m Outdoor 60m Infrared Detector 6.7"x3.1" - Amazon.com
![IR Infrared Beam Alarm, 100m Invisible Beam Sensor, IR Photoelectric Gate Driveway Infrared Sensor, with Barrier Active Detection, Waterproof Digital Pulse : Amazon.co.uk: DIY & Tools IR Infrared Beam Alarm, 100m Invisible Beam Sensor, IR Photoelectric Gate Driveway Infrared Sensor, with Barrier Active Detection, Waterproof Digital Pulse : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61v9-L6carL._AC_UF894,1000_QL80_.jpg)
IR Infrared Beam Alarm, 100m Invisible Beam Sensor, IR Photoelectric Gate Driveway Infrared Sensor, with Barrier Active Detection, Waterproof Digital Pulse : Amazon.co.uk: DIY & Tools
![Big Promotions Pir Infrared Beam Motion Detector For Home Security Gsm Wifi Pstn Alarm System Wired / Wireless Beam Sensor - Alarm System Kits - AliExpress Big Promotions Pir Infrared Beam Motion Detector For Home Security Gsm Wifi Pstn Alarm System Wired / Wireless Beam Sensor - Alarm System Kits - AliExpress](https://ae01.alicdn.com/kf/HTB1oYxyy7yWBuNjy0Fpq6yssXXa1/Big-Promotions-PIR-Infrared-Beam-Motion-Detector-For-Home-Security-GSM-WIFI-PSTN-Alarm-System-Wired.jpg)