The leading "Hai Daewoo" (Hikvision, Dahua, Uniview Technology) all call their main business "Intelligent Internet of Things". Isn't security good? CDEBYTE Official Website :https://www.cdebyte.com Like Us On Facebook:https://www.facebook.com/yong.li.7146557 Follow Us On Twitter :https://twitter.com/EBYTE18 Follow Us On Linkedin:https://www.linkedin.com/in/yong-lee-00a6b2145