This 4 Channel DVR (Digital Video Recorder) is an ideal replacement for a time-lapse VCR. Its simple but reliable design allows user to set-up the system with minimal effort. Its a perfect solution for setting up a basic CCTV security system. It has a network card for remote viewing over the internet and comes with a 250GB hard drive as standard. Triplex (Recording, Playback, Network Simultaneously) Motion Detection with Adjustable Time Duration Up to 50fps Recording Speed Audio Recording USB (Universal Serial Bus) Flash Disk Backup Remote Viewing over Internet Compact, Light-Weight & Simplistic Design