Features: 100% 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. Applications Full-color module Full color soft lights a lamp strip. LED decorative lighting Indoor/outdoor LED video irregular screen. Specifications: Size: 15mm*15mm Color: Black Package includes: 1 x WS2812B-4 5V 5050 RGB LED Lamp Panel Board 4-Bit aeProduct.getSubject()