DVR stands for Digital Video Recorder. A Security DVR is capable of taking the video from digital or analog cameras and recording it into a digital format on a hard drive. It can record high quality video, maintenance free, for weeks or even months. An ideal replacement for time lapse VCRs.
A video capture card or DVR card is a graphic card inside the Security DVR system which captures the signal from the cameras and stores the video on the hard drive.
A Security DVR is a digital video recorder capable of taking high quality video from analog cameras and recording it to a hard drive. A VCR is an analog video recorder that records video to a tape.
The length of archive depends on number of cameras, frames per second (FPS) and amount of available hard disk space. Our preconfigured systems usually provide several weeks of archive on motion detect mode.
Motion detection works through the software in the DVR system by recording video when pixels in the image change. Most Security DVRs offer a sensitivity scale so the user can set the sensitivity of the motion detection.
Yes.
Yes, most of our Security DVR systems are Internet enabled. You can view live and recorded video from anywhere through the Internet.
Basic DSL or cable will suffice in most cases.
Most Internet-enabled Security DVR systems allow multiple users to view the same site simultaneously. However, as more people look at the same cameras/DVR at the same time, the bandwidth will be shared between them.
Yes, some of our Security DVR systems have that option. With an optional audio module, you can listen to live and recorded audio from anywhere through the Internet.
This will depend on the size and layout of the area you wish to survey. On average, we recommend one camera per 1000 Sq. Ft.
Yes, you can use your existing CCTV cameras. Simply plug them into the back of the Security DVR which replaces the VCR.
Illumniation is measured in units called Lux. Measuring Illumination: the Unit of Lux If a candle is one foot away from an object, it gives one foot-candle of light illuminance onto the object. This is about 10 “lux,” and is an informal definition of lux. The unit of lux (illuminance value) tries to relate the actual energy per unit-area falling on a surface to what the human eye perceives. Direct sunlight 100,000 - 130,000 lux Full daylight, indirect sunlight 10,000 - 20,000 lux Overcast day 1,000 lux Indoor office 200 - 400 lux Very dark day 100 lux Twilight 10 lux Deep twilight 1 lux Full moon 0.1 lux Quarter moon 0.01 lux Moonless clear night sky 0.001 lux Moonless overcast night sky 0.0001 lux
Yes, but you need a special camera called a Pan-Tilt-Zoom or PTZ camera. Otherwise, most of our DVRs have Digital Zoom available.
Our Standalone Security DVRs are Linux based.
Most Security DVRs will come back on as soon as power is restored. However, we suggest an uninterruptable power supply (UPS) which provides a short period of backup power and also serves as a surge protection device.
Yes, some Security DVRs have that option.