The CAB-2PK1004KV1 is a 2PK of 100 ft. Class 2 In-Wall Rated Video and Power Extension Cables that are compatible with all Night Owl DVRs. While these cables can be used in conjunction with any DVR system, they are required for our 4K wired DVRs. The design of these cables makes communication between the camera and DVR much smoother and far less susceptible to video degradation. The cables extend the range of any Night Owl BNC wired camera and come equipped with 2 BNC-to-BNC adapters to connect your existing cables. These Class 2 In-Wall Rated cables will help you safeguard what matters most!