CHIRON R.3207 series has three different sizes with simple shape . The module light source could cover the wattage range from 60W to 420W;  Modules are connected by waterproof plug connectors ,each part is detachable ,also with the independent heating dissipation ,the driver protection could reach IP67; The streamline design not only greatly reduce the wind resistance ,but also plays a role of self- cleaning ,which is a kind of cost-effective road lamp product.