Here is a home security system that provides you with HD video coverage. The Amcrest 720P HD Video Security System ships with 4 x HD 1.0MP bullet & dome cameras and relies on CCTV/coaxial infrastructure to save you cost. There is a 1 TB hard-drive to record videos for 360 hours. You can record when motion is detected or based on your schedule.
IP66 indoor/outdoor weatherproof cameras have IR-LED night vision and a transmit range of up to 1640 feet. Sets you back $349.99.