[4 LED lights], each LED light contains 5 SMD LEDs on the PCBA board; 3 different colors for different purposes, 1 piece red and 1 piece green for both sides of the bow, 1 piece white for Stern, 1 piece extra white for backup; 3 lighting modes [steady,flash and strobe] [Weather Resistant], IPX5 weather resistant housing, so suitable for outdoor use, widely used in different boats, pontoons, bikes, dog collars, Strollers, runners, [Warning: Do not soak in water] [Practical screwdriver], with this tool, you can easily replace the battery of the LED light; The screwdriver is precision machined with a magnetized tip that makes it easy to hold fasteners to start tightening and prevents fasteners from falling out after loosening; Without this tool, your LED light will be useless when the battery dies [Easy to Install], The LED light has strips on the back that can be easily attached to the flat strap; with these extra elastic straps, you can easily Attach the light around a pole or tube, on your bike for night riding, on your arms or legs for night running, etc., 7" long straps: 3 pieces, 12.3" long straps: Material: PC+Plastic Dimensions: 5.5 x 3 x 1.8 cm Package contents: 4 x lamps 4 x buckle straps 4 x screwdrivers Only the above package contents are not included, other products are not included. Note: Light and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm.