The cost of installing a CCTV camera system can vary based on several factors such as the number of cameras, their types, and the installation method. The average cost of security camera installation is around 1500 to 2500 per camera, with the cost of installing a 4-camera CCTV system ranging from 2000. To install a surveillance camera on a budget, you may consider DIY installation, which can significantly reduce the labor costs, typically ranging from 500 to 600 per camera. Additionally, opting for wired or wireless cameras, and choosing lower frame rate options, can help reduce the overall installation cost.