Combination cable is a combination of the different types of cables, which not only can connect the power supply, but also can transmit audio and video signal.It has compact structure,is convenient to use, and can meet users' needs in different places. Combination cable is often used in building, important environmental monitoring and controlling of the residential area, etc.The product has great varieties, low repetition,and different purposes, usually designed according to the demands of users, without unified naming. Now we list part of the cable specifications as follow, for the reference to order various different types combination cables.