4K HD Wallpaper: Solar Panels
Green energy on your desktop backgrounds and homescreen phones! The image is made by Michael Schwarzenberger and from his courtesy is completely free under CC0 license and can be used in social media, blogs, apps, content marketing...
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)