DCD-MELL Alpha Mimic Add-On Building Lighting Discs + LeadsBUILDING NOT INCLUDED WITH THIS PRODUCT Alpha Mimic Add On Building Lighting Discs + Leads allows you to add more Lighting Discs to your Alpha Mimic Plug & Play Controllable Building Lighting system. This pack also allows for analog (or DC) installation of Alpha Mimic Building Lighting without the DCC control board. Simply supply DC power to the Lighting Disc to illuminate your building. Remember to always use a resistor to protect your LED we suggest