1. High reflective, meet EN1463 standard.
2. Larger LED Source lighting , over 1000 meter visible .
3. Giant solar panel, enough power recharge.
4. Long Life Span, reasonable cost , instead the high cost Super capacitor solar road stud .
5.Reflector bumper design , protection the reflector not
easily break,
6. Easily set up, lowest set up fee.
7. Patent Construction design.