DAHUA 5MP Full HD Night Vision CCTV Security Camera with Installation Combo Set Dome(Indoor) 4Pcs, Bullet (Outdoor) 4Pcs 8Channel XVR, 1TB Surveillance HDD, for Home and Offices (4BULLET4DOME)
What does CCTV stand for?.. CCTV stands for Closed Circuit Television. It is a closed circuit system...