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Digital Video Recorders - Analog
Standalone CCTV DVR Units - Shop Online for CCTV DVR 4 -16 Ch, Save buying CCTV Digital Video Recorders at CamTech. We Have Latest in CCTV at Lowest Prices. All CCTV DVR Units are Professional Grade - Field Tested. We have 4ch DVR, 8 Ch DVR and 16 Ch DVR.
Standalone CCTV DVR Units. All In One based on Linux system. Today's CCTV DVR offers easy to use, user friendly Graphic User Interface, Can be controlled with Mouse or Remote. Every Security DVR can be accessed from anywhere via Internet. You can see your cameras live even when you are away. All CCTV Dgital Video Recorders are field tested and are guarantee to be reliable and dependable offfering highest quality and latest features. Eyemax Standalone DVR's are Covered by 3 Year Manufacturere Warranty. Shop and buy CCTV DVR at CamTech and Save with our Manufacturer Direct Prices.
Digital Video Recorders - Analog
A Little About Standalone Multi-Channel Digital Video Recorders...
Standalone CCTV DVR Units are direct replacement for VHS type video recorders. Modern CCTV DVR not only replaces VCR itself but also switcher and/or multiplexer commonly used in the past. Every CCTV DVR has a built in network adapter allowing remote access and remote viewing. Great feature to watch your home or business when you are away. Most of the CCTV DVR units can be connected directly to TV via RCA Vide In port. Newer models are also equipped with VGA port, so they can be connected directly to any standard PC monitor. The newest models feature HDMI port with 720p or 1080p video output. These Digital Video Recorders can be connected to HD TV to get most out of your CCTV System. The most common way to categorize CCTV Digital Video Recorders is by number of Video Inputs (Number of CCTV Cameras that can be connected to one DVR). So we have 4 chennel DVR (up to 4 CCTV Cameras Capability), 8 Channel DVR (up to 8 CCTV Cameras) and 16 Channel DVR (up to 16 Cameras).
Many CCTV Digital Video Recorders can also record audio (from connected microphone). Maximum number of microphones that you can connect to a single DVR unit is described Audio In (usually 1~16). It does not have to match number of video channels.
Next important feature when buying CCTV DVR is FPS Number (frames per second). Real time DVR can record 30 fps per each camera. Letís say we have 4ch DVR. Real time recording is only possible when DVR is rated 120fps (4ch x 30 fps). Also it is important to remember that technical specification for CCTV DVR usually shows maximum number FPS for recording in standard resolution CIF. This number may be much lower if recording in D1 resolution (Highest Resolution). Top of the line DVR units can record real time video w/ 30FPS for every camera in D1 resolution. Please remember that recording in High resolution with 30fps uses a lot of hard drive space and usually is not required. Standard for CCTV System is about 5 fps for each camera.
Resolution: CIF, Half D1, D1 (or described by number of pixels i.e. 320x240 or 720x480). Resolution is a very important factor. High resolution produces better quality picture. You can see more details, and it is easier to identify suspects.
Another important factor is video codec. H.264 is a standard now. It allows DVR to compress video, and get maximum recording time without loosing quality. It is also important when broadcasting video on internet. Older codecs include MPEG4 or JPEG2000.
Every CCTV DVR has its own list of features. Sometimes it is very long and may be confusing. You can always contact us, if you have any questions. Also you need to remember that technical specification doesnít tell everything. It is like with buying TV. You see the difference when compared side by side.