The GLoFin® works with your paddle board to light up the water without sacrificing performance. Each GLoFin® includes a patented system which uses a high performance dive light. It fits in a backpack and is easy to travel with. Waterproof, dust proof and drop proof, the lights are designed to take Mother Nature's worst. Constructed out of durable urethane, the GLoFin® can also become your daily use fin if you just leave it empty. You can also surf with GLoFin® on a longboard surf board. Use these on your next night time SUP experience and you'll make lots of friends, above and below the water! *** NOW OFFERING: SNAP IN, SLIDE IN AND SCREW IN style attachment! *** Fin Colors: Navy Blue, Black or Bright Yellow - Long Box (screw in) Navy Blue, Black - Slide In Navy Blue - Snap In Key Specs: 3,200 Lumens Battery life 85 minutes on HI // 3+ hours on LOW Ultra wide beam angle Lithium ion rechargeable battery Waterproof, drop proof, aluminum body construction The light is also used as a high quality Dive Light rated for 100 Meters Each fin comes as pictured and also with: USB Charging Cable Stainless steel tool less locking screw Micro-USB charging port 5 VDC Carry Pouch Pat. 9,969,469, other patents pending www.escasurf.com