VISDOLL 50pcs WS2811 12mm Pixels String Light Individually Addressable RGB Full Color digital LED Rope Light DC 5V for Xmas (Non-waterproof) Indivadually Addressable: Each LED can have its own color and brightness. You can control each LED individually and set it to any color as you want. The brightness of the string light can be adjusted. 256 brightness display and full 24-bit color display. Each pixel can be cut off without damaging the rest pixels. So you can shorten or extend the distance between two pixels if you want. Punching diameter is 12mm This WS2811 12mm LED pixel string work great with Arduino, FastLED library, Adafruit NeoPixel Library and Raspberry Pi. It is easy to program. Easy installation, Safe to use. The working voltage is 5V. extremely low heat. It is touchable and safe to children Widely used in LOGO, advertisement billboard, exposed luminous characters, painted screen, can replace the traditional neon signs.