4Pin LED Connector For APA102 WS2801 LPD6803 Led Strip
Those led connector is 4pin , For 10mm 12mm APA102 ,WS2801 LPD6803 LED STRIP .
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3pin led strip connector for WS2812B APA104
Those Solderless led connector is for WS2811, WS2812B SK6812 , APA104 , UCS1903 led strip , which is 3pin ,there are 10mm , 12mm.