1 Channel Passive Transceiver CCTV BNC Video Balun Adapter Single channel passive HD 1080P transceiver for TVI/CVI/AHD/CVBS Color HD video transmission distance with passive transceiver: HDCVI 720P: 400M / 1080P: 250M;HDTVI 720P/1080P: 250M;AHD 720P: 350M / 1080P: 200M Color HD video up to 500m with active receiver Built in TVS for surge protection Casing Material : ABS Plastic