There are 3 products.
CAMERA BALUN TRANSMITTER TO BE USED WITH HDVB04, HDVB08 & HDVB16
SINGLE CH POWER AND VIDEO BALUN UP TO 200M 12VDC POWER TWIN PACK
Single Channel POC Video Balun for HD-TVI, CVI, AHD & CVBS and POC Analogue camera, with built in strain relief feature.
This replaces the HDVB01, HDVB01DUAL and the HDVB01-PT
It can clip together in a neat organised way from the DVR therefore also replacing the need for the HDVB04, HDVB08, HDVB16