A form of security which is becoming increasingly popular is Closed Circuit TV Systems which are designed as an aid to crime prevention by supplying a visual deterrent with the added benefit of being able to record an incident which may occur within area. Most criminals would think twice before attempting an attack on premises protected by a CCTV system. A standard system comprises of a Camera, Monitor with the option of a Time Lapse VCR or Digital Recorder and Video Transmission to provide specified areas with monitoring and recording.

With research and development in this area today’s technology enables us to offer monochrome and colour cameras for special application such as RS232 controlled, Pan & Tilt, Miniature and covert. Our security Consultants will be pleased to recommend the system most suited to your needs.

Differences between Analog and Digital Video Recording Classification DVR System Analog System   Storing Method Digital Analog Medium HDD Video Tape Key Points Semi-permanent to store Automatic back-up Frequent replacement of video tapes Substantial storage for tapes required Recording Length Unlimited with additional HDD of PC Up to one video cassette Video Quality Excellent to image improving effect with high resolution, High quality which do not degrade over time Low quality, noise & quiver due to reuse of tapes Searching Ability to search multiple storage sites with various search functions including instant search Difficult and very time-consuming to retrieve video Event Recording Possible to record selectively with various mode so can make to extend recording length Inefficient non-continuous event recording Remote Surveillance PSTN/ISDN/ADSL/LAN No Motion Detection Possible to record videos as motion detected No Still Image Excellent still picture Noise or Image distortion Screen Split Various screen split mode Additional device required Maintenance Cost No additional cost required Replacement, storage, management of tapes, VCR head replacement Peripherals No additional device required Quad, Multiplexer, Frame switcher and others