Amcrest’s NV4108E-A2 NVR comes with a Pre-Installed 2TB Seagate Surveillance Hard Drive (Supports hard drives up to 10TB) while Featuring 8CH Recording, the Latest H.265 Video Compression, Live View in Up to 8MP @30fps, Playback 8-Channel @1080p(30fps)/4-Channel @4MP(30fps)/2-Channel @4K(30fps). Includes 4 x 5MP IP PoE Outdoor Turret Cameras (2592x1944) @20fps. Includes 4 x 60ft Cat6 Ethernet Cables. | AI Features & Dual Illumination - AI Turret PoE IP Camera features Human & Vehicle Detection, IVS (Tripwire, Intrusion Detection) which triggers an event anytime a human or vehicle crosses the defined area (prevents false alerts). Dual illumination night vision with Full NightColor warm/white LED & IR-LED nightvision. 5-Megapixel @20fps video with a super-wide 129° viewing angle. | Color Night Vision - Built to weather any storm and the darkest of nights, this outdoor POE IP Turret Camera features a heavy-duty metal weatherproof IP67 housing, built-in microphone for one-way audio, as well as color night vision up to 49 feet. Dual H.265/H.264 compression allows for maximum encryption with the latest technology as well as backward compatibility with legacy platforms. Works with Alexa through AmcrestCloud (AI features Not Supported with Alexa). | Supports AI Features from AI IP Cameras, AI features available depend on the camera model being used. Only Supports 2CH AI Cameras at 4K@30fps. No built-in AI Features on NVR. Connects to and manages all the POE IP cameras on your network directly through their ethernet cables for ultimate ease and convenience in a home security system. | Max 80Mbps Incoming Bandwidth, records 8 cameras @ 4K using H.264. Records 8 cameras @ 4K by changing default settings from H.264 to H.265 and adjusting bit rate to 1792 on each camera for maximum optimization. Conveniently packaged with extras such as USB mouse, network cable, and quick start guide.