blackout wallpaperProviderpixabayResolution7016 × 4961Aspect ratio1.41:1AuthorAlexandra_KochSourceOpen original page Download wallpaper Available sizesPreview150 × 106Web640 × 453Large7016 × 4961Tagsblackoutenergy crisissignpostpower failureelectricitysignagedarklight bulbcrisissymbol