DuraLED 50LP lamps are an extremely powerful source of white light and offer a safe, energy-efficient, and reliable alternative to incandescent and fluorescent lighting. Easy to install, surface-mount design features a very low profile that's ideal for engine rooms, storage lockers, and more. Completely sealed light includes a UV and impact-resistant construction for long service life. Multivolt circuitry provides constant illumination and circuit protection from 9-33V DC, even under severe voltage fluctuations. Meets IP67 specifications. Spike protected to +500 volts. Reverse polarity protected to -700 volts. Pre-wired with 2.5m of twin core marine cable.