DVR Security System Review

The Pelco DVR DX4000 series are designed to record footage from security cameras, you can attach up to four of these to the DX4004CD-500 through its BNC inputs.  Surveillance camera footage is stored on the internal hard drive built in to the DVR, this particular model has a 500 gigabyte capacity.  Further to the internal hard drive you also have the option to burn video recorded by the DVR straight to disc, this Pelco DVR comes with a CD writer, it can be swapped out for a DVD writer if required.

You also have the option to transfer stored video to memory cards or other external storage devices (such as hard drives), the DX4004 is fitted with a USB port you can use to attach the devices to the DVR.  The system uses MPEG-4 video compression and it is capable of recording surveillance camera footage in numerous CIF modes.  At maximum the DVR can record surveillance camera footage at a maximum image resolution of 704*480 in NTSC mode, when using a PAL video signal image quality increases slightly and it offers a maximum resolution of 704*576.

Its possible to record video that has a smooth frame rate while all cameras attached to the system are set to record, at maximum the DVR is capable of recording video at speed of 120 frames per second.  To record video at this speed with four cameras attached to the system simultaneously you will have to compromise by lowering the image quality, alternatively you can set specific cameras attached to the system to record only at certain times.

You can set the DVR to record surveillance camera footage only at times when it detects motion or when an attached alarm is activated, the system is fitted with four inputs you can use for attaching external alarms.  Alternatively you can set the digital video recorder to start and stop recording based on a devised schedule.  There is also an alarm relay output fitted to the DVR, you can use this to signal personnel when the DVR detects specific events.

Cameras with pan tilt and zoom functions are supported by the DX4000, these are connected to the device through its RS485 port.  You can access the functions of the DVR and control its attached cameras remotely by connecting it to a LAN or broadband Internet connection, for networking the DVR is fitted with an Ethernet port.  The DVR is fitted with four RCA sockets for audio recording and it has 1 RCA audio output so you can set up a two way audio system.

Check the latest price on the Pelco DVR DX4004 4 Channel Security System