07
Aug
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...
07
Aug
One of the main considerations when installing a security surveillance system is the lens. Without lenses, the system would be useless. Most cameras come with a choice of lenses, while box type security cameras...
07
Aug
The introduction of digital video recorders to the security surveillance industry allowed for a whole range of additional features and functions that were previously unavailable. With video cassette recorders, not only did you...
05
Aug
There is often much confusion when it comes to low light security cameras. There are basically two options when it comes to day&night cameras. A true day night camera has the ability to automatically...
05
Aug
A basic overview of the components included in a security camera system including the DVR, security cameras, cables and power supply.