... cast housing beautiful and durable. 1.The surface is coated with outdoor power,smooth,acid and alkali resistant ,aging resistant.2 ... Energy saving lamp. The pole:1)Material and features: streamline design,light,beautiful appearance.2)Fine sealing performance waterproof ,Acid-Bases ... etc.4)High strength,fine transmittance,it can be cleaned with rain.5)Protection:IP 65. garden light with special design