... water dust proof IP 65 HID 250W 400W street lighting 3. sealing gasket between up and down ... dustproof performanceEasy to install,easy to repair.Applicative light source:metallic halide lamp,energy saving, high pressure ... maintenance costAPPLICATIONS:City beautiful project,high highway,main street,commercial center, residential areas, Coastal Road outdoor place ... proof IP 65 HID 250W 400W street light