So, you have decided that you are going to install your own security camera system. Among the many choices you will have to make is the type of cable you will use to connect...
Selecting the right DVR can be quite complex. Even many in the security industry really don't understand the technology involved. There are many factors to consider. Often, two DVRs seem to be similar, when...
There are many factors when trying to determin how much storage you will need for your DVR. The first thing you need to decide is how long you will need to keep stored video...
Some of the newer DVRs on the market offer a feature called either a substream or a dual stream. A sub stream is used for viewing your DVR over the LAN or WAN when...
A PTZ (Pan-Tilt-Zoom) camera refers to the ability of a camera to move up and down (tilt), left and right (pan), and to magnify (zoom). Typically, the pan-tilt function is accomplished with a built...
Recording audio in conjunction with video can make a huge difference in the value of the video. Audio recording could be used as evidence in employee misconduct investigations, insurance liability claims or even criminal...
It may seem challenging to attempt to properly cover your parking lot with security cameras. Just using overview cameras to monitor an entire parking lot will usually not be enough. Though the overview cameras...
Anyone who has been researching video surveillance has definitely heard of H.264. H.264 is a video compression standard that provides the most efficient video compression techniques available today without compromising image quality. An H.264...
When configuring your DVR for optimal recording, there are many options you will be considering. Among them is the resolution you want to record in. While most DVR's can record in CIF resolution (360x240)...
Many DVRs are compatible with both NTSC and PAL standards. NTSC standard is predominately in North America and PAL in Europe. The PAL and NTSC standard actually refer to the method used to transmit...
At the heart of every digital camera in the world there is an image sensor. The image sensor converts light into a digital signal. There are two basic types of image sensors in use...
One of the greatest features of the modern day DVR is the ability to only record motion events. Before the day of motion recording, VCR's would record video 24/7 which required you to fast...
Here is a very common question. How many TVL should the camera have to best use the resolution of my DVR? This is one of the most misunderstood relationships in CCTV. The resolution that...
Almost every DVR has the ability to control a multitude of devices using the RS485 protocol. RS485 uses 2 wires to send and receive data to and from these devices. All the devices in...
As a security dealer, one of the most common requests you will receive from your customer is license plate capture. License plate capture is often confused with license plate recognition so I will first...