1.WR-LDxx01, xx means LED power, 01 type LED power has 10W, 20W, 30W, 50W. 2.All fastener is ... stainless steel Product Description:1.WR-LDxx01, xx means LED power, 01 type LED power has 10W, 20W, 30W, 50W. 2.Small ... are made of die-casting aluminium alloy, its structure is light and strong. 4.All fastener is stainless steel. Street light KOP LD2001