STH-101 HID Street Light 250-400w Housing Corrosion resistant die cast aluminium body Painting : Polyester powder coated Reflector High-pure aluminium plate through pressing Diffuser Borosilicate glass prismatic diffuser IP Rating IP55 Gasket Weather proof and durable silicone rubber Gear Box Built-in control gear box Connector Fit to 1.5inch pipe Application Suitable for parking lots, rsidential street,local roads,industrial areas,and other roadway application.