a bnc on the end yes but the intermediate connections are waterproof DIN plugs. the 'housing' is a 1x1m panel with open recesses for the cameras and it's been in use for 7 years with no problems, although it was designed for cameras that have max. length of 7cm whereas the latest Sony items are just under 9cm so they protude beyond it out into the river flow which affects the image quality. Hence, i need a 7cm camera with a waterproof DIN but one that will eventually terminate in a BNC with a separate 12v supply. Any ideas who might be able to supply that particular type of connection much appreciated. Niall, Newcastle, UK.