Blue grey Screen for 1 hour | Blue grey| Background Screen | Supports HD - 1080p |REFRESHING TUBE

Enjoy Full Screen!!! For Screen testing, cleaning the monitor screen, check the pixels. Use as a Blue Grey Screen, Background, Backdrop for One Hour. It can be used on Television, Monitor, Mobile phone and Laptop. Subscribe for more videos: https://www.youtube.com/channel/UCdFJKEl_tZAda7LPQ59XYFw?sub_confirmation=1 For more & different Screens, please visit the playlist: https://www.youtube.com/playlist?list=PLH1iFeBw0U8jOlVBUz9mpzUoi_eb1hZLT