Bias Lighting for HDTV USB Powered TV Backlighting Home Theater Accent lighting, Kohree 35.4" Led Strip Light Multi Color RGB (Reduce eye fatigue and increase image clarity) Multiple Colors Selection (20 colors)?- Customize your workspace with vibrant LEDs to Set the Mood and light up or create festive lights on your monitor, TV, or furniture. Alleviates Eye-strain?- This Bias lighting kit can really help to improve your perception of contrast, and make panel monitors much easier on the eyes to reduce eye fatigue, ease eye strain. Easy Installation?- Just Plug-and-Play! Powered by any devices with output 5V 1A USB port. No Wall Socket Are Required. Easy Operation?- Comes with a small controller (3 buttons) on the end of the light strip which lets you choose from colors, modes (type of light movement) and brightness to whatever pleases your viewing pleasure. Satisfaction Guarantee?- Kohree stands behind all of its products 100%. These lights come with a 12 month warranty. If you received broken or defective lights, please contact us Kohree any time.