We have working with Dahua brand for 12 years. Been to Dahua HQ and factory. Dahua is very innovative and fast pacing company, very competitive in technology and value. Dahua currently holds the 2nd place in the world after Hikvision.
RMA & Tech support available by Dahua regional office...
You can use dual verification such as Hikvision bluetooth card reader as gate access control. number plates need to match the white list data base from ANPR cam ds-2cd4a26fwd-izh and bluetooth card in the vehicle need to be pick up from reader. then gate opens.