Nov 2001 :　started R&D IP camera ;
　Nov 2003 :　developed our fisrt IP camera product TD-　 315A
　Feb 2004 :　developed the "EasyN" dynamic domain name　system;
　Jun 2005 :　IP camera equipped with voice function;
　Jan 2006 :　IP camera without port transmit setting;
　May 2006 :　equipped with mobile phone alarm function;
　Jul 2006 :　multi-user on line function added;
　Jan 2007 :　certified by "CHINA TOP 10 INNOVATIVE SECURITY PRODUCTS 2006".