http://download.vivotek.com/downloadfile/downloads/brochure/brochure_en.pdf

http://download.vivotek.com/downloadfile/downloads/brochure/brochure_ru.pdf

https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnx2aXZvdGVrcGFydG5lcnN8Z3g6M2M3Yzc4ZTQ2ZTU0NGUwMg