1.This surveillance DVR features uncompressed, zero-latency, point-to-point, 2.0 megapixel Pro HD video transmission up to 1920 x 1080p at 30fps. 2.【Wide Compatibility】This DVR recorder supports analog cameras and IP cameras since support with limited compatibility with third-party IP cameras.Support NVR, AHD, analog cameras, CVI, TVI. 3.【Customized Motion Zones & Instant Alerts】DVR security system detects moving objects and triggers alerts when there is danger.It will notify you in real time when the invasion occurs. 4.【Plug and Play】This DVR transmits video, audio and controls over a single coaxial cable.Utilizes your existing coaxial cable networks, reducing the need to install new cables on your security system.H.264+ compression technology allows video files to be compressed without any noticeable difference in quality. 5.【Multiple Recording/Playback Modes】The playback function of this video recorder allows you to know the whole events, replay meaningful evidence or funny video recordings.You can quickly search for any event that happened at any time.