fiber optic wallpaperProviderpixabayResolution4000 × 6000Aspect ratio0.67:1AuthorBru-nOSourceOpen original page Download wallpaper Available sizesPreview100 × 150Web426 × 640Large4000 × 6000Tagsfiber opticlight waveguideglass fibernetworkedpplugpatch corddata cableethernetlan