The SecurityIng DS01 dive beacon light is designed to increases diver visibility and safety tremendously. Not just for diving, can also be used for cave exploring, jogging, camping, fishing, kayaking, night bike rides, group outing at night, team tag, walking with family, other night outdoor activities Friendly Tip: Each LED light only has one color Durable and Solid Scuba Strobe Light The scuba diving marker lights are made of aluminum alloy makes them sturdy and durable even if they get caught between tanks, dropped, or bumped against the side of the boat in racks. Also rendering the marker negatively buoyant. IPX8 Waterproof Diving Strobe Light The DS01 scuba tank lights for night diving is equipped with 2 waterproof o-rings that help keep it watertight at depth; 150M/492Ft rated depth makes the scuba tank strobe usable to technical and recreational divers. 5 Colors Available Marker Light The DS01 scuba diving beacon is available in blue, white, green, red, and orange. The option of different colors is easy to identify your buddy or group in low visibility conditions, deep waters or night dives. Highly Visible Soft Light This bright flashing tank light is enough to see at dark but it has a softer glow so you don’t notice it constantly and will not annoy your dive buddies. It is easy to keep track of your buddy during night dives, can also mark intersections in cave exploring Portable Mini Scuba Tank SecurityIng DS01 little beacon light is only 3.11inch length, 1.55oz weight, will not add any extra weight to your gear. Small enough to travel with. Included lanyard is great for attach to your diving tanks, BCD, underwater scooter, band or D-ring Scuba Diving Gifts Those dive buddy lights will come with a nice pack with lanyards, additional O-rings and AAA batteries. The little safety beacon is a great addition to dive gear collection and ideal gifts for your buddies. Must have for night dives