CHIRON R.322 series road lamp has R.3221,R.3222,R.3223 three different sizes ,the design concept of this lamp is simple shape and screw invisible which makes it extremely concise. The surface is very smooth with ideal self-cleaning function such as no water ,no snow and no dust accumulation etc ;The proportion of light source cavity follows gold ratio ,which looks visually harmonious and durable .With its own breathing device,balancing internal and external pressure ;Integrated aluminum die- casting technology enables it reliable and durable .Anti- high speed wind design could deal with all different harsh environment which is an excellent new product for outdoor road lighting .