Experience Ultra HD 4K - The Amcrest 8-megapixel surveillance DVR features uncompressed, latency free, Point to Point raw data, 4K Ultra HD video transmission up to 4K, 3840 x 2160 @ 7fps. Supports 1080P and lower resolutions @ 30fps 4K AI DVR - The Amcrest AI DVR features Face Detection & Recognition, Perimeter Protection, Smart Motion Detection, and IVS Features (Tripwire: Trigger an event anytime a human or vehicle crosses the set tripwire line. Intrusion: Be alerted anytime a human or vehicle crosses the intrusion area) Versatile - this Pentabrid DVR Recorder supports analog cameras and Amcrest IP Cameras with limited compatibility to third-party IP Cameras (ONVIF 16.12). Supports HDCVI, AHD TVI, CVBS Analog cameras. View Ultra HD footage from your video security system on your web browser using Internet Explorer as well as remote live viewing on i OS and Android devices using the Amcrest View Pro app.