Perko Red Navigation Side Light This Red Navigation Side Light from Perko is part of the 0170 Series, which is the updated version of the 0120 Series. This light is made of all white polymer with a red colored lens. They are 2-Mile USCGnm Certified. Specifications 12 Volt Screw size 10 Projection Overall 2-12 Height Overall 2-58 Width 4-18 Visibility Arc 112-12 degrees Click here for Perko Navigation Side Light Installation Instructions. California Residents WARNING Cancer and Reproductive Harm