V2 FLASH video conferencing system mainly adopts two patented technologies of V2, as well as Flash, cloud computing and SaaS technologies. It can enter the video conference within 3 seconds, support HD video and large - capacity video conferences without installing any plug - ins. It can be seamlessly connected with a lot of software. The upgrade and expansion do not need to be personally operated on the client side. Moreover, the data security encryption technology is comparable to online banking.