TRENDnet TV-IP410WN SecurView Wi-Fi Internet Camera for $99.99 shipped after code EMCKBHD46.  Here is a screenshot for your reference.  The SecurView Wireless-N camera covers a fairly sizable area by panning the camera side-to-side 330° and tilting up-and-down 105° from any internet connection.  Most places have it for about $160.