Foscam FI9831W V2 Pan/Tilt H.264 Wireless Camera with Night Vision for $109.99 shipped.  Here is a screenshot for your reference.  Its resolution at 1280×960 is higher than 720p and this camear features a 1/4" color CMOS sensor, night vision capability, Wi-Fi connectivity, and more.  Most places have it for about $129.