AVerMedia NV3000 DVR Board supports various IP cameras up to Megapixel to provide the most dedicated image quality. This AVerMedia DVR board for surveillance DVR system also supports dual-monitor environment for independent preview and playback or MPEG to save your trouble switching. Moreover, you can access the video and audio monitoring on 4 channels or full screen view on PDA anytime and anywhere, and you can also access to the screen by Smart Phone which supports PTZ cameras control. DVRmart.com can customize the additional hard drive up to 4TB upon request. DVRmart is an authorized dealer for Avermedia CCTV Equipments. We ship to USA & Canada.