100pcs power supply dc 5.5 x 2.1mm female to male plug cable adapter extension cord 3 meter 3m 10ft ing

works with anything that uses 2.1mm dc plug end such as cctv product straight 5.5 mm* 2.1 mm socket to angled 5.5 mm *2.1 mm plug. one end: 5.5 (out side diameter) * 2.1 mm (inside diameter) male one end: 5.5*2.1 mm female length: 3 meter / 10ft cable