Epoxy coated electronics encased in corrosion proof composite case protected by a tough Nichronium shell. For use on boats up to 39.4 (12 meters) 2 mile visibility #8 pan head screws hidden from view ( Not Included) Dimensions 3-1/4 Lx2-5/8 W No bulbs to replace- LED are Surface Mounted Diodes (SMB) 12volt.
