RG59 Siamese cable is a heavily shielded cable which contains both the video (COAX) cable and the power cable (18-gauge 2 conductor) in one jacket. The advantages to using this cable is that its more durable, and you can run it long distances without interference. Includes 2 BNC -> RCA Male adapters in case your camera uses RCA connectors (component video) instead of BNC (RF)