Each LED light includes 5 SMD on the PCBA board, bright; 3 different colors for different purposes, 1 red and 1 green for the 2 sides of the bow, Spare 2 Spare; 3 Lighting Modes [Stabilized, Flash and Strobe] IPX5 weather resistant shell, so suitable for outdoor use, widely used in different boats, pontoons, kayaks, bicycles, dog collars, strollers, runners, etc. [Warning: Do not immerse in water] Easy to install and durable in use. The LED lights have clips on the back for easy attachment to flat straps; with these extra elastic straps, you can the lights around poles or pipes, on bikes for night , arms or legs For night runs and more, use 3 7inch long straps as standard, 1 12.3inch extra-long elastic arm strap, it's a sturdy, adjustable shoulder strap that expands to 25inch High Wear-resistant and durability. color:As shown Material:ABS Package Contents: 6 x tail lights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.