Swann SWADS-15MBNC-GL  Swann Video and 50-Feet  Power BNC Cable  for CCTV Camera (White) Easy to connect co-ax extension cable Add 50ft/15m of distance to your security system Tight locking, secure & can't accidently disconnect 75 ohm, double shielded & weather resistant to withstand harsh conditions Send power to your camera via this cable