Optimized for HD video: HDTVI / HDCVI / AHD - 1 channel - Passive - BNC / RJ45 - Video and power - Input voltage 24 ~ 36V DC - Output voltage 12V DC - Maximum range 200/200 m (720p / 1080p HDTVI) , 400/200 m (720p / 1080p HDCVI) and 300/200 m (720p / 1080p AHD) - 2 units (transmitter and receiver)