10-1000PCS WS2812B WS2812 4Pin RGB Led Chip 5050SMD WS2811 IC Black/White PCB With Heatsink DC5V

Note: 
If the order no more than $5 ,no tracking number !!
There is no welding between each pixel lamp beads, if you want them work togehter, you need welding by yourself
 
Package Included:
10-1000Pcs WS2812B CHIP Built-in Heatsink Board
 
Features and Benefits
l Intelligent reverse connect protection, the power supply reverse connection does not damage the IC.
l The control circuit and the LED share the only power source.
l Control circuit and RGB chip are integrated in a package of 5050 components, form a complete control of pixel point.
l Built-in signal reshaping circuit, after wave reshaping to the next driver, ensure wave-form distortion not accumulate.
l Built-in electric reset circuit and power lost reset circuit.
l Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color display, and scan frequency not less than 400Hz/s.
l Cascading port transmission signal by single line.
l Any two point the distance more than 5m transmission signal without any increase circuit.
l When the refresh rate is 30fps, cascade number are not less than1024 points.
l Send data at speeds of 800Kbps.
l The color of the light were highly consistent, cost-effective..