A TV Backlight from Inspired LED can reduce eye strain by providing bias lighting in the form of easy to install adhesive backed LED Light Strip. Bias lighting serves to moderate or bias the range of motion in the iris muscles in the eye, which limits the size of the pupil. The frequent and sometimes dramatic variation in picture brightness from scene to scene in video programs can cause eyestrain and fatigue in an otherwise dark display environment. Our TV Backlight will provide enough light for your eyes to get their color reference, and you"ll find that pictures seem a little crisper and colors more vivid.Large TV Backlight Kit: Recommended for Flat Screen TVs up to 72". Standard on/off inline switch included. Also comes in USB version (on/off when your TV is on/off!)139" Normal Bright Cool White Flexible Strip(installed in an upside down "U" shape for wall mounted TVs or across the middle for table mounted TVs)Mini 1 amp Power SupplyIn Line Switch2" CableCable ClampsFlexible strips can be cut to size once you receive the kit. Please only cut the flexible strips every 3 LEDs where the copper or silver pads are located. Cutting in other areas will damage the strip