Based on a number of network cameras, NVR hard disk video recorders,monitoring management platform and supporting software, itc surveillance system provides face recognition, perimeter security, intelligent retrieval and other functions for office buildings, parking lots, corridors, entrances and other indoor and outdoor scenes. Featuring HD and stable performance, the system is innovative with intelligent analysis algorithm to accurately and efficiently assist users in dealing with emergencies. With rapid deployment, low cost and high cost performance as the core, it builds an intelligent and secure space.