smartphone wallpaperProviderpixabayResolution4459 × 2544Aspect ratio1.75:1Authorwir_sind_kleinSourceOpen original page Download wallpaper Available sizesPreview150 × 86Web640 × 365Large4459 × 2544Tagssmartphonesafety officersminiature figuresprivacy policydata securityapplicationsoftwareiphonemobile phonedigital