Cameras in the low- and medium-price ranges deliver fairly low-quality images and often run on batteries.An install-it-yourself closed-circuit television (CCTV) preassembled kit with four cameras starts around $200-$400; averages $500-$1,000 depending on the quality of the components and features such as night vision, remote monitoring; and high-end kits can cost $1,000-$1,800 or more with extras