Both video cameras and still cameras can be used for surveillance reasons. Surveillance systems typically use closed circuit television cameras for residential and commercial properties. 8 channel DVR and 16 channel Dvr systems are used for storing recorded video. The best security cameras are considered ones that have motion detectors. Motion detectors allow more control over what is being recorded, and a drastic amount of space is saved by using motion detectors. Wireless systems provide additional convenience for implementing a security system for a variety of property types. Wireless security systems do, however, require a line for power, but all other elements are transmitted wirelessly.
Finding an 8 channel DVR system for security purposes is best done online. People are recommended to research several 8 channel DVR systems and what benefits they can provide. An 8 channel DVR system can be used in conjunction with a security camera that has infrared, which is used to detect infrared radiation. Infrared and night vision devices are made possible by a man named Kálmán Tihanyi. Kálmán Tihanyi invented the infrared sensitive electronic camera back in 1929. Today, night vision options are made available on many security systems that are used for commercial and residential property.