Boserous via Amazon offers the Sricam 720p Wireless Security Camera for $39.99. Coupon code "8H399N2X" cuts that to $27.99. With free shipping, that's $14 off list and the lowest price we could find. It features a video resolution of 1280x720 (720p) at 25 fps, night vision up to 50 feet, motion detection, and wireless streaming to smartphones via its iOS or Android app.