GW Security 5-Megapixel 8 Channel PoE 4K NVR Security Camera System - 8 5MP Video Audio Surveillance Weatherproof Microphone IP PoE Dome Cameras, 1.9mm 160&deg; Super Wide Angle Lens H.265 Ultra HD 4K / 8MP 8 Channel NVR with (8) H.265 HD 1920P 5MP POE IP Camera Built-In Microphone Audio Recording and 160 Super Wide Angle 1.9mm HD Lens Free apps allow you to watch your system from anywhere with mobile viewing for Smartphones & PC & Mac Features Wide Dynamic Range & 3D DNR allowing you to see clearly in contrast lighting environment Built-in Microphone for Audio Surveillance and 1.9mm Megapixel HD lens for 160 wide view angle, 2Pcs Super Array IR LED, view up to 50FT IR Distance IP66 Metal Dome Base / Outdoor & Indoor Uses (Waterproof & Vandalproof). Pre-installed 2TB Hard Drive with 1 Year Warranty and Free Life Time Tech Support From U.S.A.