courtyard light (Au5741) technical specifications courtyard light (Au5741) is made of 3 parts. THE CAP in cast aluminum, assembly is held to the ring body. THE RING BODY in cast aluminum, ammembly is held to post adaptor by means of 2 aluminum cast curving arms. THE GLASS in frost tempered glass sealed ring body, a silicone seal assures the high degree of protection. THE POST ADAPTOR in cast aluminum. Top mounting for Φ76mm. Painted by polyester powder, color on request. Protection degree: optical block IP65. Shock energy: 20 joules(tempered glass) CLASS I CLASS II on request Socket: E27/E40 Lamps: H.P.S. 150W MAXI Packing size(cm): 49*49*74 Mounting height(m): 3~6