Application: 3528 5050 RGB LED strip,RGB lighting,ceiling light,tube light,fan light and so on. Standard: 22 AWG 4 wire line core and each core including 17 pieces copper line. Premium quality: OFC wire provides maximum conductivity, durability and antioxidation to ensure the highest performance and reliability of the products, stranding structure makes it flexible and easy to install Size: 65.6ft 20m led strip extension cable, meet most extend job Long life: Tinned copper wire has a better anti-oxidation performance, reduce the producing of heat, which make it more durable and eco-friendly