May 15, 2020 · Mar 22, 2022 · flashing solar road stud-NOKIN Solar Road Studs underground solar road stud company. 10.4 cm long, 7 cm wide and 3.4 cm high LED road stud light looks like a palm sized spike, but LED road stud light has the advantages of high and low temperature resistance, impact resistance and rolling resistance, long service life and basically no maintenance.