led letter box sign,changing color led letters sign,led channel letter,through hole led Drive IC: WS2801 DC5V ... Voltage, IP67 led letter box sign,changing color led letters sign,led channel letter,through hole ledFeatures: each can ... PVCLED diameter: 8mm.Punch hole size on board: (diameter) 12mm. my client's project: 50pcs/strip.,led Accessory:LED controller LED ...