HAMLITE TV Backlight 48 50 55 Inch TV Bias Lighting USB LED TV Light Strip, Customized to Cover 4/4 Sides of 50" TVs Without Dark Spot, RF Remote, 16 Colors, 20 Dynamic Modes, 9.9 Feet Length - Custom LED backlight for 48 50 55" TV, supply an even light on 4/4 sides of TV with no dark area (2*19.6" & 2*39.3" black LED strips, connected and ready to use.) - More color options, enjoy your favorite ambient lighting by remote (16 static colors and 20 dynamic modes, speed and brightness adjustable). - Lights powered by TV USB port, bias lighting will sync on/off with TV, except TV USB port still get powered after TV is off. - Easier to instal as it's customized: Clean TV, stick LED strips on and plug in, Enjoy your new home theater. - Safe, CE approved, DC 5V 1A operating power. We offer 1 year warranty. Text an email to support@svatac.com, you will be offered friendly customer support.