Borosilicate glass optical for Street and Road luminaries 50W/70W/80W/100W/120W/150W/200W, suitable for all kinds of Chip-on-Board,  with glare-free and uniform light distribution, with sealing rubber and mounting holder , which can be easilly installed  , dust and sand protection , can be widely used for square , park, school, highway, road , yard , crossings, private backyard and other outdoor open-air areas