MoodBRIGHT CST Adjustable Color Projection TV & Computer Backlight. The Perfect Decorative Enhancement - The CST is a compact mood lamp that projects colored light onto any wall or surface. With 256 colors to choose from, this decorative tool is the perfect addition in any setting. The CST is very versatile with it?s easy to use functionality and compact design. Continuous or Portable Power Options - The CST is designed for long lasting light! It comes equipped with two convenient power options. For constant power, connect the included USB adapter to a powered USB port. For a more portable option, open the battery compartment and insert two AAA batteries (not included). The battery life will last up to 8 hours. Ambiance for Any Environment - The CST is perfect for adding some brightness and color to your atmosphere. This multifunctional projection lamp works perfectly to backlight your TV or computer setup. Not only does this look cool, but it helps to create a more optimal viewing experience that puts less strain on your eyes. Using a bias light for your flat screen set up is a technique that will help to increase your viewing comfort and image quality as well. This is a great tool to use in your workspace and living room alike. Works with:. TVs: - Sony, Samsung, LG, Vizio, TCL, Seiki, Hisense. Computer Monitors: - HP, Acer, Asus, Dell, BenQ, ViewSonic, Samsung, LG, AOC. And More!