DVR Security System Review

The Clover TFT1904DVR consists of a 19 inch monitor, 4 CCD cameras and a DVR that has a 160 gigabyte IDE hard drive. The system has four BNC connectors used for attaching the surveillance cameras that are included, the cameras have a resolution of 330 TV two are for use indoors and two are better designed for outdoor use. The outdoor cameras included with the DVR have a CDS sensor built in that activates the cameras back light in dark conditions.

The system has a TFT LCD based monitor that has four DIN jacks that can also be used for video input. The monitor has a 1.0Vp-p composite for video output and it can display images at resolutions up to 1280*1024. The DVR for the system is integrated in the systems monitor and is able to record video in both PAL and NTSC modes. In PAL the maximum recording resolution is 720*576 and in NTSC the maximum resolution is 720*480.

You can record video at a maximum of 120 frames per second with the system and it uses MJPEG video compression. Video recording is activated by varying means, four alarm inputs are fitted to the system and it will start recording should it detect an attached alarm has been activated. Alternatively you can schedule recording so the DVR will start and stop recording video footage at specific times.

You can set the DVR to record non stop but this will use up hard drive space quickly, using the systems motion detection features enables you to record only at times when the attached cameras pick up activity. If you do need to record video twenty four hours a day then networking the DVR should prove beneficial. A 10/100 Ethernet port is fitted to the system so you can attach it to a broadband router or LAN, software is included with the DVR for getting the system up and running on a network.

Once networked video recorded by the system can be sent to Windows based PC’s that are on the same network as the DVR. You can then use the PC’s to store and distribute the video footage recorded by the surveillance system. The DVR can act as an intercom system as the two indoor cameras have built in audio, this means you can communicate with people in the cameras vicinity.

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