信号线+电源线4.0 + 2.55mm带音频
用于防水连接的信号电缆在一根电缆上传输视频，音频和电源
BNC视频连接摄像机和DVR连接
RCA连接用于音频兼容相机
与音频的男/女性电缆
长度：25，50，75ft

Signal cable + power cable 4.0+2.55mm with audio
Signal cables for waterproof connections carries video, audio and power all on one cable
BNC video connection for cameras and DVR connect
RCA connection for audio compatible cameras
Male/female power cables with audio
Length: 25, 50, 75ft