Choosing a CCTV camera: IP cameras connect over network cable to an NVR and give the sharpest picture and smartest detection, so they are our usual pick for new systems. HDCVI cameras run over existing coaxial cable to a DVR, which makes them a cost-effective upgrade for older analogue systems. Turret and dome cameras suit homes, shops and offices, bullet cameras cover driveways and yards, and PTZ cameras can zoom in across car parks and large sites. Premier CCTV Systems supplies and installs security cameras in Coffs Harbour. Call 0431 404 457 for advice and a free on-site quote.