NOKIN Waterproof Solar Road Stud For Urban Road A10 has 6 hyperfNOKIN LED, s that provide constant or flash in all colors.With strong construction and 10 tonne compression capacity, we think they are one of the best available, extending extended life, viewing distance and charging capacity under low light conditions.NOKIN Aluminum Solar Stud Light A10 are available in white, yellow, red, blue