Are you planning to add more visibility and connect several front DRLs such as Dual arm, vertical DRL on the fenders or at the air intake? Check out this option to simplify the installation. Use the 1: 4 splitter to connect all your DRLs on each side to the 1: 4 splitter, then only connect 1 two-color module to each splitter. Makes installation easier with less wiring. Supplied 2 per set.