For better TV viewing or video games experience and Relieve Eye Strain. Help to make a more comfortable environment when long watch watching and playing TV gamesCustom Version TV Backlight can cover every(4/4) sides of 85 to 95 inch TVPowered by USB of your TV it will ON/OFF with your TV but can not change with your TV's color; TV lights will remember the last color when offWireless RF Remote 360 degree and 60ft MAX. control range 17 colors (include white) with fade/flash modeLED strips itself is black no noticeable. Easy to install take 5 to 10 minutesRemote with Encode mode it can control two more TV lights with one remote; or one remote to control only one TV