The Sperry West Sperry-Spyder, SWLEF70 Magnum is a quick way to set up an interview room for professional archiving and monitoring. Clear audio is recorded and can also be monitored live through an amplified audio receiver or through the video monitor supplied. The Magnum system comes with two covert cameras to be selected by the department, 17-inch LCD video monitor, 4 channel, motion sensing, digital video recorder (500GB H.264), high quality snap together cable for rapid set up and amplified audio is included in this law enforcement only system.