Dahua has been committed to investment and improvement in VMS products to respond to our customers business needs.

DSS Express and DSS Pro are pure security software based series, their capacity and features can be flexibly adapted to different projects. DSS Express is generally tailored for small-sized applications, while DSS Pro is targeted at large and medium-sized applications.

DSS4004-S2 and DSS7016D-S2 are hardware based series with Plug & Play which enables users to use the product with minimal initial configuration and management.