Sea-dog's Delran LED utility lights are constructed of injection-molded Delran for strength, heat resistance and dimensional stability and install with four 6 Fu fasteners (not included). comes standard with low amp draw LED bulbs. 12 VDC. Total width: 2-3/16" square. Mounting hole pattern: 4-hole, 1-9/16" square spacing. Lens diameter: 1-3/4". height: 11/16".