... This is a 1080P Full HD 2MP IR IP PTZ High speed Dome,Website:http://www.byvisiontech.com, with Mini size ... only 3.5inch,4X Optical Zoom lens, High speed, Horizontal & Vertical Min 0.01°,Max 200°/S,Preset ... / Manual / Push Auto , the use of high-performance DSPto realize complete digit and ultra-high speed focus functionPresets255IR distance30mPatrol Track4 groups,each can ...