Features:Brand New and High Quality!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-effective.Specifications:Outer diameter: 85 mmInner diameter: 72 mmPackage Including:1 X 24 Bit RGB LED Ring WS2812B 5050 RGB LED