Solar Road Stud - Asya Traffic. 12/10/2020 · Material type of solar road stud is aluminum and LED color options are available as yellow, blue, red, white and green. Its weight is 0,62 gr. There is 1 x 1800 mAh rechargeable battery, 2 x 1.5 V 100 mA solar panel and 4 x 5 mm double-sided transparent LED on it. The size of road stud is 122 x 146