Max 8.0 Megapixel Full HD Realtime Recording 8 Channel 4K NVR with (8) 5MP 1920P Weatherproof POE H.265 PTZ 3X Optical Zoom IP Dome Cameras Built-in Microphone for Audio Surveillance. Video recording, Audio recording, Power are ALL thru one single cable per PoE camera, built-P2P service and support QR Code Scan Free mobile apps allow you to watch your system from anywhere with mobile viewing for Smartphones, tablets, PC, and Macs Features Wide Dynamic Range & 3D DNR giving you ability to see clearly in contrast lighting environment and sharper monitoring and playback Includes Motion Detection & Snapshot & Email Alerts & USB backup feature for peace of mind. Pre-installed 2TB Hard Drive. Two Years Warranty and US-based Free Tech Support 8-Channel 4K 8MP NVR with 8 PoE ports and 4TB HDD + 8 x 5MP Pan Tilt Zoom (PTZ) IP Cameras / 2.8-8mm Motorized Zoom Lens