A 40-inch curved light bar at this length is sized for a genuinely large hardtop or tower installation — sport-fishing boats and larger centre consoles commonly run light bars in this length range for both practical after-dark deck lighting and the aesthetic "glow" effect many owners want when at anchor or dockside. Because the exact colour temperature, lumen output, control interface (single-colour vs. RGB/multicolour, app or switch-controlled) and IP waterproof rating for this specific part aren't given in the short catalogued name, buyers planning an installation should confirm the full specification against Garmin's or Lumishore's own documentation for part 60-0473 before ordering, particularly the mounting hardware and cutout dimensions required.