DVR Security System Review

Q-See have created another security DVR that being the QSD42908, as standard there is no pre-installed hard drive for storing video however this particular package does include one. The hard drive included with the security DVR has a 250 gigabyte capacity, there are two internal hard drive bays so you can remove the existing drive and replace it with another if you need more storage space. Surveillance cameras are also included with this model, there are eight of these included that connect directly to the DVR’s 8 BNC connectors.

A ¼ inch Sharp CCD color image sensor is built into each camera, the cameras are suitable for both indoor and outdoor use and each is fitted with 12 infra red LED’s to enhance images captured in dark conditions. The cameras electronic shutter speed range is between 1/50 – 1/10,000 and they have a horizontal resolution of 420 TV lines. The cameras have a 6 millimetre lens, a silver colored outer casing and an infra red wavelength of 850mm.

You can view the feed from the cameras by connecting the DVR directly to a television, an LCD display or to a PC monitor, the system is fitted with both BNC and VGA video outputs. At maximum the Q-See DVR can record video footage at a speed of 120 frames per second and it uses H.264 video compression. You can set the DVR to record surveillance camera footage continually or you can connect up to 16 external alarms to the system, the DVR will detect when an attached alarm has been activated and begin recording surveillance camera footage.

There are four alarm outputs built in to the DVR and these can be used to alert any personnel on site when the DVR detects motion, the system motion detection capabilities can also be used to determine when it records camera feeds. You can view the feed from each camera attached to the DVR individually on one monitor or the display can be split into a varying number of segments so you can monitor each camera attached to the system simultaneously.

An RJ45 Ethernet port is built in to the DVR so it can be connected to a LAN or to the Internet, this gives you the option to use computers on the same network as monitoring stations. Networking the DVR also allows you to view cameras attached to the system remotely and you can also control the DVR’s functions while off site. The DVR is capable of CIF recording (352*240) and it can also record audio, the Q-See DVR has 4 audio inputs.

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