Security cameras. Surveillance and security systems and devices. Security equipment. Electronic security lock. Test and Evaluation of security equipment. Closed-circuit television apparatus. Closed-circuit television cameras. Closed-circuit surveillance system. Closed circuit television services. Access control system. Lighting systems. Street-lighting equipment. Maintenance services of public-lighting installations and traffic lights. Street-lighting maintenance services. Provision of Maintenance of CCTV, PAC Access Equipment, and External Lighting.