The light runs on DC power, 12 volt systems, with a bank of 36 LEDs to produce 1154 lumens of cool white light. The unit has a composite housing with a polycarbonate lens and IP68 rating that makes it perfect for marine applications. 180 degree beam angle. Surface mounted: wiring can exit from fixture end or bottom, mounting hardware included. Ignition Protection Certified to meet SAE J1171 USCG, ABYC, NMMA requirements. Dimensions: 13" W x 2 3/4" H x 1" D.