DS3012N is video surveillance network recorder with strong functions. It can connect with network surveillance front port by IP at resolutions of 1080P, 720P and D1. To realize a full network surveillance solution, it integrates local browsers, remote browsers, recording, playback, PTZ control, alarm linkage and management. It integrates video monitoring management platform and embedded disk array technology. The DVR works with high efficiency and reliability. It is low cost and high performance. It can expand by need, is easy to be installed and seldom needs maintenance.