... IR speed dome camera 2.IR Cut function 3.CCTV security system 4.high speed focus 5.IR 100meters distance We are ... reason;5, Design special camera, IR lamp sub-depot separate system, no sphere case glisten, fogging malady.6, Constant voltage constant ... Power, IR effective Distance 100 Meters.8, Optional temperature control system, suitable for working in high or low temperature environment. Science ...