Serenity 4K is a beautiful new 4K-video wallpaper application! It features more than 20 stunning themes, with each theme featuring breathtaking 4K video and audio and the most cutting-edge and beautiful "Desklets" ever to grace a Desktop! 4K video wallpapers include: architecture, beaches, trees, lakes, ponds, pools, fountains, fireplaces, aquariums, and more. Serenity 4K features a super efficient video-player foundation that can play full 4K videos while consuming on average 5% CPU per display. Built on tested and proven technology, Serenity 4K is the most beautiful application to ever live on your Desktop. It even works great on 3K and 5K displays as well!