Inland Combined BNC, RCA and 2.1mm x 5.5mm DC power extension leads. Ideal to extend the connection of CCTV cameras, recorders, monitors and DVRs. ft all-in-one audio video power cable. Can be used with CCTV applications, such as DVR, Security Camera. Transmit audio, video signals and supply DC power for CCTV security cameras/ BNC video, RCA audio & 2.1mm x 5.5mm power connectors. Plug and play ready, easy to install.