solar stud road: 1.Long lifespan,easy installation 2.High brightness ... professional design, development, production. Our product range is road studs, solar stud road, and reflective traffic sign.1. Zn/MnO2 Battery ... stainless4. Plastic Lens: Material: PS , Color: Yellow/Orange Transparent Battery Case Housing: High Impact Copolymer, Color: Solid yellow or black5. Temperature ...