As a professional manufacturer of HIgh speed dome , SVC has over ten years rich experience in video surveillance , The products in the structure and function of design, We depth analyze the practical problem of installation and taking into account the end-user 's excellent requirements to control and terrain and external environment harsh trial to life of the camera , This series of high speed dome with multi-language , multi-function products , optimizing internal structure, all-metal material, the unique fast installation, fast and stable PTZ performance and a wealth of OSD menu , 540 ° / S preset speed ; 220 presets; 4 sequences (32 presets /quence); 4 panning scan; 4 patterns scanning, supporting timing call preset position, the panning scanning, sequences, pattern scanning; supporting power memory, guard functions; low-temperature preheating, constant temperature installations adopt PTZ inner cycle heating system to ensure that the camera can reliably operate at minus 65 degrees.Super low consumption, wide power, used battery-powered