Designed for use with stand-up paddleboards, the SUPGLO underwater LED lighting system illuminates the water around your board. SUPGLO LED lights attach underneath your board with heavy-duty suction-cup mounts. Mounts can also be used for GoPro cameras and other accessories. A 3M self-adhesive "landing pad" is included for boards with textured surfaces to ensure secure mounting. Comes with a tether system for added security. Light will float if it becomes separated from your board. Corrosion-resistant construction. Submersible down to 65'. LED lights will illuminate 12 - 15 hours with 2 AAA batteries (not included).