Smart AI Human Vehicle Detection-- Reduce false alarms and save storage space. Smart Color Night Vision-- AI human vehicle detection activate color night vision. 6MP Superior Definition-- 6 million pixels, 122° diagonal field of view. Capture and Record Audio-- Cameras capture sound and NVR record it. IP66 Durable Housing-- Metal housing, indoors or outdoors, fully weatherproof. 32CH 12MP NVR-- Built-in 8TB HDD, 2 HDD ports support 20TB. 16-CH synchro playback. Power over Ethernet, Plug n Play Setup-- A single network cable provides power, video& audio transmission. Troubleshoot Technical Issues-- We offer 24/7 professional technical support- Amazon Messages or 0.5-2h PHONE support. ONWOTE 12MP NVR 32 Channel Security Camera System, Smart Color Night Vision, 20x 6MP Outdoor Audio PoE IP Cameras, 32CH 6K 4K NVR 8TB, 20x Ethernet Cables-1860ft, Commercial CCTV for Business