Looking to enhance your home or business security? At O'Brien Electrical Castle Hill, we specialise in professional CCTV installation across the Hills District. With more Australians investing in home security, installing CCTV cameras is one of the most effective ways to deter intruders and protect your property. Our licensed electricians design and install reliable surveillance systems that provide peace of mind — helping you monitor activity, capture evidence, and even reduce insurance premiums. Whether you need CCTV for your home, apartment, or business, our experts ensure every system is fitted safely, legally, and for maximum coverage. Call (02) 9894 4843 today to book your installation or request a quote online.