This Swann 4-Channel DVR with 2 Cameras (model SWDVK-412002c-ca) drops from $249.99 to $199.99 plus free shipping at RadioShack.com when you use our exclusive coupon code BRADSAVE50 at checkout. This is the lowest price we found by $30. This system records surveillance video (including night vision) and stores it on to a 500GB DVR. It connects to the Internet, making controllable from home or remotely. It ships with two cameras but can be expanded to four. Sales tax is charged in most states.