SGM LED TV Backlight Desktop Light Strip USB (2 meter/78 inch) Lighting Kit with 24keys Remote Control (Red) When we watch television in a relatively dark room,our eyes are staring directly at a small window of very bright light.If we watching for a long time,then our eyes become fatigued and we experience dry eyes, general discomfort, watery eyes, and even bring headaches. The most worst, some people experience ocular migraines, extreme headaches that result from intense eye strain. Emotionlite LED tape bias lighting reduce eye fatigue Adds a Subtle backlight that is placed directly behind the screen to raise the ambient light levels in the viewing area without directly shining light toward the viewer nor shining light past the viewer toward the screen.Reducing the eyestrain caused by differences in picture brightness from scene to scene in movies, shows and games. How to Use Step 1 Clean off the surface on where you intend to stick the light strip toStep 2 Peel off the 3M adhesive paper and run the strip to all the edgeStep 3 Press and hold the light strip firmly against the surfaceStep 4 Connect the DC head of the USB cable with the IR sensorStep 5 Plug in the LED backlighting strip into the USB port on the deviceStep 6 Remove the tab from the battery compartment of the remote control and then Push "on" and enjoy it. Applications 32"-60'' TV and monitor backlightShelf bias lightingunder cabinet lightAdvertisement backlightDecoration LightingAnywhere you have a port, you have brilliant and colorful LED lighting.