12V 1-5m 5050 LED Strip Lights Under Cabinet Kitchen Waterproof Tape Warm White. 1-25m LED Strip 220V 240V 5050 Waterproof Outdoor Tape Lights Rope White UK Plug. Most of the USB ports of TV can not drive 3m/4m/5m 5V White or Warm white 5050 led strip because the USB's current is too low, No enough power of each USB port drive more than 2m length of white or Warm white led strip, or 3m or 4m or 5m led strip maybe flicker, This is not a quality problem of our led strip.