Intelligent reverse polarity protection， power supply reverse polarity will not damage the IC.?? IC control circuit and a power LED spot light utility.?? Control circuit chip with RGB components in a package in 5050， to form a complete external control pixels.?? built-in signal shaping circuit， any one pixel after receiving the signal through the waveform shaping and then output to ensure line waveform distortion will not accumulate.?? Built-in power-on reset and brown-out reset circuit.?? trichromatic color of each pixel can realize 256 highlighted， complete 16777216 colors of all true color display， the scanning frequency is not less than 400Hz / s.?? serial cascade interface， through a signal line to complete the receiving and decoding of data.?? transfer transmission distance between any two points in less than 5 meters without any additional circuitry.?? When the refresh rate of 30 frames / sec， cascading number of not less than 1024 points.?? data transmission speeds of up to 800Kbps.?? The color of the light highly consistent， cost-effectivePackage Included:1 x RGB LED Ring 12Bit WS2812B 5050 RGB LED