VideoSecu 4 Channel MPEG4 USB DVR System Internet Remote Control, including Color Infrared IR Security Cameras, Pre-Amp Mini Hidden Microphones ,4 CH Power Supply and Camera Extension Cables WAN Surveillance Security Setup DIY; 4 x Color Infrared illuminated IR CMOS Cameras; 4 channel USB 2.0 network DVR. You need provide your own PC and monitor Dynamic IP acceptable; Internet security remote control MPEG 4 Image Compression Format ; Support different multi-channel display modes, full screen display and auto dwell display Advanced search mode. Users can search by date/time, camera, record mode, and random combination of the three methods Powerful video playing back functions, including playing back, pause, stop, fast-forward, single-frame play and image capture