Smart AI Human Vehicle Detection-- Reduce false alarms and save storage space. 6MP Superior Definition-- 6 million pixels, 122° diagonal field of view. IP66 Durable Housing-- Metal housing, indoors or outdoors, fully weatherproof. Capture and Record Audio-- Cameras capture sound and NVR record it. 32CH 12MP NVR-- Built-in 8TB HDD, 2 HDD ports support 20TB. Playback 16 cameras simultaneously on HD monitor or computer. 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 32 Channel Security Camera System, 12MP 32CH NVR 8TB, 32 Ports Switch, 24x 6MP Outdoor Audio PoE IP Cameras, AI Human Vehicle Detection, 24x Cables-2280ft, Commercial Surveillance for Business