Solar Road Marker ( Onroad /Raise Pavement Design) Size: 122 X 100 X 20 mm. 1 or 2 directions customized SRS0301. Solar Road Marker ( Onroad /Raise Pavement Design) Size: Dia.118 x 20 mm. 1 or 2 directions customized SRS0302. Solar Road Marker ( Onroad /Raise Pavement Design) Size: Dia.118 x 20 mm. 8 pcs LED surround. 360 degree illuminated SRS0303