This value priced Lorex 2 camera and surveillance DVR bundle features a 4 Channel (camera) DVR equipped with a 160GB Security Certified surveillance hard drive, expandable to 400GB. Choose continuous, scheduled or motion detection recording modes and conveniently transfer data to your PC with the PC-Link software included with this DVR. VESA mounting enables this unit to attach to the back of a PC monitor, flat panel TV or wall mount as well as traditional placement. The two (2) included color surveillance cameras are versatile for placement either indoors or out and are capable of seeing up to 75ft. in darkness. Expand the system easily to full capacity by adding an additional two (2) cameras.