retroreflective optical sensor

---

Size: 5200px × 3544px
Photo credit: © David J. Green / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: background, cutout, detector, electro, electronic, infra, infrared, led, optical, photocell, photodiode, plain, red, reflective, retro, retroreflective, sensor, studio, white