➤ The 2.1mm x 5.5mm DC power extension cord is made of premium pure copper material, lower resistivity and high electrical conductivity. High quality and durable insulating material. The 2.1mm x 5.5mm DC power extension cord is made of premium pure copper material, lower resistivity and high electrical conductivity.

➤ The 2.1mm x 5.5mm DC power extension cord is made of premium pure copper material, lower resistivity and high electrical conductivity. High quality and durable insulating material. The 2.1mm x 5.5mm DC power extension cord is made of premium pure copper material, lower resistivity and high electrical conductivity.