USC security is equipped with advanced IT technology, based on HTML5 native video technology, it is easy to access the system with any PC and any latest browser. Simple User interface with simple icon enhance user experience. Based on micro service framework, database support real time streaming replication. The system support 2 replication database. The system can auto detect and select main database. By leveraging node hot standby, the system support device management redundancy. The system has a unified device management framework, it is easy to display data in a single pane of glass.