Perko 30" White LED All-Round Navigation Light [1444DP3ALU] Pendants It blocks low voltage DC

It blocks low voltage DC currents that enter your boat via the shore power earth wire

and trim planes

Surface mounts with four #6 FH fasteners (not included)

The lighted female end provides visual power indication

Compatible with MS-RA770 stereos

Perko 30" White LED All-Round Navigation Light [1444DP3ALU] Pendants It blocks low voltage DC30" White LED All Round Navigation Light Features: Polymer Top and Base with Clear Frosted Lens New stylish high tech design with self contained LED module LED optics adjust based on pole mount angles Available in standard pole lengths from 24" to 60" Fits all Perko 0 and 5 plug in mounting bases The retail package includes locking and large threaded collars Meets Global Specs for ABYC C 5, NMMA Type Accepted, EN ISO 19009: 2015, ABYC A 16 (2016),