Roadway Safety LED Road Stud Product Description Solar Road Marking Stud 1. Casing Material: Aluminium alloy shell, solar panel(2.4V. 0.3A)Ni-MH rechargeable battery(1300mAh) 2. Specification: 110*100*25mm N. W.: 350kg/PC 3. Light intensity: 8000mcd. Working time: At least 4 days after battery fully charged Description: 4. High Quality with