Triple Control Options You can turn your TV backlights on/off, adjust brightness, change colors by the remote or control box, and you can also enjoy over 16 million colors, multiple scene modes via Govee Home APP for your TV lights behind Music with Vibrance  With a built-in mic, the brightness and color of the LED lights for TV will sync with the rhythm of your TV music, creates you a vivid and real TV viewing time Customize Your Lighting Dim or brighten colors and create your diy lighting via Govee Home APP. Note: for brighter lighting, please turn off the option (adaption to the current) on the device setting page Suitable Length Govee LED TV backlights come with 4 pieces (2x3.28ft + 2x1.64ft) and can cover all 4 sides of most 46-60 inch TVs, provide you with a vivid watching experience Easy to Install The TV LED backlight can be installed easily, just clean TV back panel surface via the adhesive and clips. With a cuttable design, you should use the connectors when connecting the trimmed LED strip lights