... before saleAny customers who want to buy our BX controllers, should confirm the controller model with our technical person ... product pictures are for your reference if there is a little bit color different with reality,it is normal ... B D HS N 16 1 R1 B1 R2 B2 A C CK OE 15Physical description N=Ground(GND), HS=Latch ... R=Red Data,G=Green Data,B=Blue data, A,B,C,D=Row signalPrompt: 1.Mainly used on BX-5Q ...