We are the Chicago CCTV security professionals you can trust since 1991. Total Security Group, Inc., specializes in a wide range of video surveillance cameras, I.P. Security Camera Systems, Digital CCTV Systems, Internet Video Cameras, DVR Security Systems and video surveillance camera systems. We are experienced and trusted leaders in CCTV Digital Video Camera Systems, Security cameras, security video equipment, wireless video cameras, Outdoor video cameras and digital motion activated cameras. NVR Digital IP Security Camera Systems. We also install as well!