1. OP-LDxx01, xx means LED power, 01 type LED power has 10W, 20W, 30W, 50W ... . 2. Small size, unique design for heat dissipation. Product Description:1. OP ... -LDxx01, xx means LED power, 01 type LED power has 10W, 20W, 30W ... Place of Origin:Zhejiang in ChinaModel No:OP-LD2001Brand Name:OPENFOB Price:151-175 USD ...