6 Differences Between DVR and VCR Security Cameras

Closed circuit security cameras often come in one of two styles: digital video recorders (DVR) or videocassette recorders (VCR). If you're looking into a home security system, you'll want to consider which type of security device will work better for your needs. Here are six differences between a DVR camera and a VCR camera.

1. DVR Camera vs. VCR Camera – Recording Style

The obvious difference between the styles is the data storage method for each camera. A DVR camera stores all its information in a digital format, such as an MPEG4 file. The exact format will depend on the type of security camera you have. A VCR camera will store its information on a videocassette. In most cases, the recording occurs by saving the data from the image to oxide-coated strips of Mylar tape.

2. DVR Camera vs. VCR Camera – Storage Space

One of the main advantages to using a DVR security camera is the storage space. Through digital compression, you can reduce the size of the file, which will allow you to record more information over a longer period. The exact amount of storage you can expect depends on the following factors:

• How many frames per second you are using to record data.


• The resolution you use for the recording. The higher the resolution, the more space the data will use.


• Whether you use motion detection to activate the recorder.


• What type compression you use.

You can record approximately 80 hours of footage per 20 – 25 GB hard drive, depending on these factors.

With a VCR security camera, fewer options affect your storage space. The predominant feature is what frame per rate you use to capture footage. If you use a slow fps, you can record up to 40 days on one tape. Real-time footage, which occurs at approximately 30 fps, will only allow you to record a few hours.

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3. DVR Camera vs. VCR Camera – Play Back Options

Your choice for choosing a security system may depend on how you plan to view your videos. Since DVR cameras store digital files, you can view the information on any system that will play your camera's format, provided you can connect the camera or the storage disk to the device.

VCR cameras require you to have a VCR player that will operate with the cassette. The device must have heads that can read the Mylar tape at the correct speed in order to work. In some cases, you may have to place the tiny cassette tape into a regular size VCR tape to watch the footage.

Another area where the two types of security systems vary involves the playback options. A digital file is easier to search. You can move the control to find a set point in the recording. On VCR systems, you have only basis controls, such as fast forward or rewind. To locate a specific moment, you have to scan through the entire file.

4. DVR Camera vs. VCR Camera – Price

Pricing shouldn't be the main consideration when you look at a home security system, but it often is. VCR cameras will cost less money; however, you may have to buy new tapes if you want to store information. DVR cameras have a wider price range, which often depends on the security camera's features.

5. DVR Camera vs. VCR Camera – Size

A DVR camera can be as small as the tip of a pen. These small spy cameras often allow you to carry the security system on your body. Home security manufacturers can even use DVRs in nanny cams that look like normal objects, such as air fresheners or outlet plugs. If you prefer a larger camera, you can find one that uses DVR.

Most VCR cameras are larger than DVR styles because they must accommodate space for the cassette tape. With the design limitations this can impose, a VCR camera will have little aesthetic value.

6. DVR Camera vs VCR Camera – Popularity

The home security industry continues to evolve, offering new services and products designed to meet consumer needs. Given the versatility of DVR cameras, many home security experts now consider VCR cameras out-dated. Most consumers also prefer DVR options to VCR cameras; however, it could be just a matter of time before another home security devices takes the lead.

Most DVR and VCR cameras utilize a closed circuit system, which doesn't allow public access. That means you can't access your video feed without transferring the data to a viewing device. Networked video recorders, known as NVRs, fill that need. With an NVR, you can connect your video feed to an IP configuration. With the right access, you can view your security system on any Internet-based device.

Another popular option combines DVR with networking capability. These hybrid security cameras, sold as NDVR cameras, will allow you to access live video feed while the device records the visual information.

Finding the Right Security System

Overall, a DVR camera has more features, and most of them outperform those of a VCR camera. When you look into purchasing your system, make sure you have a DVR, an NVR or a NDVR camera. For more on home security, visit our DIY blog.