Dahua Technology USA, a leading manufacturer of video surveillance solutions proven the world over, has introduced three new Network Video Recorders (NVRs) to provide a more expansive feature set within their Lite Series and Pro Series product families. The N42, N52, and N54 models have a higher number of PoE ports than their predecessors, and they support the industry’s latest compression codec: Dahua’s optimized Smart H.265+.