The TV back light kit increases colorful lighting on the back of your TV, in order to relieve eye strain and bring you a home theater-like enjoy.
5V USB POWERED
It could be charged by the USB port on the back of the TV.
Driven by device with output 5V USB port,Such at your computer/ Desktop / laptop /Tablet /Car Cigar lighter etc.
You can adjust the colors,modes,speed and brightness with the mini controller.
Pressing for 3 second for Power ON/OFF