Designed for safe navigating at night on small watercraft, dinghy, canoe, row boat, kayak, etc that are manually powered or less than 23' with speeds up to 7 knots;Lights are compact, only 5 1/2 length, requires 4 AAA batteries not included;Special plastic projector lens that allows light to be conveniently used as flashlight or spot light;Flexible mounting options; c-clamp, suction mount with 4.5 flexible arm, 24 pole assembly with u-bracket and special adapter for adhering to irregular surfaces;Housing incorporates carabineer clip to allow for attaching to boat with a lanyard to prevent loss overboard