1,Water, dust and moisture-proof 2,Firm and durable lampshade 3,Stylish and modernization apparence 4,High quality 1,The body of lamp ... ,IP: IP65.4,The corner of the fixture can be circular or square.5,Can be used for passage for walker,tunnel,underground car ... T8 18W/36W/58W or T5 14W/28W/35W. T5 water proof light fixture for Viaduct