© 2012 DAHUA TECHNOLOGY Network Camera Latest Firmware feature -- 2014.1.
© 2012 DAHUA TECHNOLOGY Network Camera Latest Firmware feature -- 2013.12.
© 2014 DAHUA TECHNOLOGY Ultra Series PTZ Camera Latest Firmware feature -- 2014.12.
© 2012 DAHUA TECHNOLOGY PTZ Camera Latest Firmware feature -- 2013.12.