Aug 6, 2021 · YDM Solar Road Stud Item No.: RSPS-F2-UF/S-M RSPS-F1-UF-M One-way flashing light RSPS-F2-UF-M Two-way flashing light RSPS-F1-US-M One-way steady light RSPS-F2-US-M Two-way steady light Key Features& Spot lighting: 9.8mm height only Mini size, ultra thin design, reduce the impact from car or cycle Flexible solar panel 10 tons compression resistance Anti-impact and IP68 design