FXLuminaire® LLZDCBS 3.3" x 6.4" Brass ZDC LL Underwater Light. The LL brings all of the efficiency and reliability of LED technology to underwater lighting. Highly versatile, it works with all FX LED boards (1-9), and is compatible with an array of filters that allow water to be colored to match the facade. With the ZD TechnologyTM option, the LL can also be zoned and dimmed within a scene. It also comes with with 30' (9.1 m) of cable for easy installation.