Each pack includes 2 Modlues. Size 11x8mm.
 
Make adding LEDs to your models simple and easy with the DCC LED Resistor Module.
 
Connect the common Blue+ wire on your decoder to the B+ pad indicated on the module, then wire the LEDs anode to the marked pad and the cathode to the corosponding function wire on your decoder.
 
                             
    User Manual