Specification 16CH Active Video Frequency respons:DC-6Mhz Common-mode/Differential-mode Rejection:15Khz 6Mhz 60dB type Audio/data NO Power 12V DC (Screwless)Terminal Block or UTP RJ45 Data Connector:100Ω Wire type One Unshielded Twisted Pair 24-16AWG(0.5-1.31mm) Per video signal: DC Loop Resistance 52 ohms per 1,000 ft(18 ohms per 100m) Surge suppression 6000V 1.2μ S*5μ S Control Brightness and Sharpness UTP Port Terminal Block Dimensions(mm) 432*185*44 Weight(g) 2200 Humidity:0~95%