This 8 camera complete stand alone DVR system with audio cameras has everything you need to start protecting your home or business immediately. It features realtime H.264 recording, and includes a DVD Burner and 1TB (1000 GB) hard drive and 8 channels of audio so you get audio on all cameras as each camera has a built in microphone. You can also backup to an external drive via USB. The DVR is also a fantastic web server allowing for remote view over the internet via a remote computer using Internet Explorer. The software interface is very easy to use (supports mouse), you can backup to the DVD Burner, USB device, or to a device over a network. Use the jog shuttle control to easily fast forward, rewind, and advance frame by frame. With 8 high resolution 25m (80 feet) night vision indoor/outdoor weatherproof cameras with audio, 150' siamese cables that carry video, power and audio, and a distributed power box this fully loaded security system is sure to meet all your security/surveillance needs.