... Speed dome camera-Waterproof PTZ camera-High resolution 650TVL-36x Optical,10x digital zoom Feature:1, 36X optical zoom camera, color to B/W ... synchronization, reach to perfect IR night effect.2, Double Case protect Camera device, continuing work temperature lower than 50°C;3, ... in reason;5, Design special camera, IR lamp sub-depot separate system, no sphere case glisten, fogging malady.6, Constant ...