BNC Connectors is used for application for cctv security camera system, DVR and so on
BNC Female to Female adapter is used to extend cable with bnc male end, instead of buying a longer cable.
BNC Female coupler is built with high quality material, nickel plated body and gold-plated contacts for enhanced corrosion resistance
BNC barrel connector: Plug and play, easy to install, no loss in video quality.

What's in the box
BNC Female to Female Connector