【Ultra HD 4K NVR】This 4K NVR support 16 Channel 4K@15fps, 5M/4M/3M/1080P@30fps IP Cameras; 1CH 4K real-time playback or 2CH 5MP playback. Supports VGA (Maximum HD 1080p) and HDMI (Maximum HD 2K) output. Manage up to 16 cameras simultaneously easily, fit for residential areas, retail store, business. | 【Wide compatibility with IP Cameras】The NVR supports Open Network Video Interface Forum compatible cameras. Connectable to the most third-party brands 8MP/6MP/5MP/4MP/3MP/1080P network cameras, which may have limited motion detection and PTZ support depending on camera manufacturer. | 【P2P Remote View】: Plug & Play setup, Easy to configure, access and control. Scan QR Code on DVR from "Xmeye Pro" app to instantly access live viewing and playback. It's FREE and down-loadable on your Smart phone. Connects to and manages all the cameras on your network for ultimate ease and convenience in a home security system. | 【H.265 HEVC】Advanced H.265/H.264 dual compression technology lets you save on storage space which allows for longer recording times. H.265 technology compresses your video without sacrificing any of the UltraHD video quality. Intelligent search, playback, and backup functions provide enhanced ease of use and security (for example, motion detection event and exact search functions that are accurate to one second). | 【Hard drive is NOT INCLUDED】Hard drive is required for recording and playback. This NVR does not include hard drive, Please buy the hard drive separately. Cost effective acquisition: POE switch is not built in, allowing you to upgrade just the “brain” in the future without the need to purchase a POE switch again because it is not built in.