ZOSI 4 Pack 100ft (30 Meters) 2-in-1 Video Power Cable, BNC Extension Surveillance Camera Cables for Video Security Systems (Included 4X BNC Connectors and 4X RCA Adapters) (1). Pre-made all-in-one BNC video and power cable for security CCTV cameras. (2). the black cable is made of pure copper material, pvc-45p molding, it's weatherproof, allows for use indoors and outdoors. (3). Compatible with all brand surveillance DVR camera system, 960H, 720P/960P/1080PN/1080P, 3MP/4MP/5MP, AHD/HD-CVI/HD-TVI/HD-SDI. (4). package Content: 4 x 30M TVI BNC & power 2-in-1 cable; 4 x BNC to BNC connectors; 4 x BNC to RCA connectors. (5).Guaranteed policy & Customer support: guaranteed for 2 years & free life-time tech Support. If our product stop working in the first year, We will replace it.////if you have any problems, please just feel free to email us or call us, We will definitely respond you within 24 hours!!!