... 3) Weather resistant 4) Easy to install Solar Road Studs: (red,white ,yellow,white,green color for choose ... ) Lighting period: 10hrs(Continuum working under cloudy and rainy days fifteen days)7) Bearing: over 45t ... beautiful4. Very easy to installwater,oil,chemical and heat resistant CE ,ROSH Functions:Fixed on ... mark the center line, lane line, etc, and make the marking line brightly. Why Choose Us: ...