Q-What is CCTV?
CCTV ( Closed Circuit Television ) is a visual surveillance technology designed for monitoring a variety of environments and activities. CCTV systems typically involve a fixed (or "dedicated") communications link between cameras and monitors.

Q-What sort of technology is used in CCTV systems?
The modern CCTV system involves a linked system of cameras with full pan, tilt, and zoom able to be operated remotely from a control room.

Q-What is a DVR ( Digital Video Recorder )?
A digital video recorder (DVR) or personal video recorder (PVR) is a device that records video in a digital format to a disk drive or other memory medium within a device.

Q-How many hours will a DVR record?
The amount of time a DVR will record is based on the size of the DVR's hard drive, the number of cameras recording, and the number of frames per second it is recording.

Q-What is a DVR card? 
DVR cards enable the user to convert their computer into a Digital Video Recorder. A DVR Card is typically installed in an available PCI slot of a computer. DVR cards are bundled with video surveillance software, which allows the user to record and display multiple cameras simultaneously from the camera site or a remote location.

Q-What is the advantage of Video Surveillance system?
Surveillance system automatically records activity at the target site 24 hours a day. Security systems are ideal for small business owners that manage more than one location or for homeowners who wish to monitor their property or family while at work or away.

Q-What are the disatvantages of using a web cam for home or business?
Web cams require a connection to a PC. The PC must remain turned-on to maintain service. While it is theoretically possible to connect multiple cameras to a PC and keep it running most of the time, if the PC locks up or otherwise becomes inoperable, the whole system is compromised.

Q-Is remote monitoring possible with surveillance systems?
YES! You can monitor your home or office from anywhere in the world. The only requirements are a computer with internet connection.

Q-Do any cameras come with audio?
Yes there are cameras with audio. Please check out our listings for the range.

Q-How do hidden cameras work?
A small board camera is built into an everyday item. The camera can be wired, which connects to a DVR or VCR using a cable. The covert camera can also be wireless, in this case the camera transmits a signal to a receiver that is connected to a DVR or VCR.

Q-How far can a wireless camera transmit?
Standard wireless cameras can transmit up to 800 feet, and high-powered wireless cameras can transmit up to 2000 feet.

Q-What is a 2.4 GHz wireless frequency?
A frequency is used to transmit a signal or video. 2.4GHz is the specific wireless frequency that transmitters use to send video signal to a receiver. Ranges vary from 100' to 600' feet depending on environmental conditions.

Q-What is a Plug and Play connection camera?
It is an RCA Video plug and a power plug on the camera for easy connection to a VCR or TV. This is done by running the RCA, ( Aux ),cable into the VIDEO IN of the VCR or TV.

Q-What is varifocal lens?
A varifocal lens is one where the focal length of the lens can be varied, another word for a zoom lens. Most varifocal lenses have an auto iris feature.

Q-What is a fixed lens?
A fixed focal length lens cannot zoom. The focus is fixed. A fixed focal length lens usually allows more light to pass through the lens at a given focal length than a varifocal, or zoom lens.

Q-What are FPS ( frames-per-second )?
fps ( frames per second ) is the number of still frames (pictures) that give the illusion of motion, which appear in a single second of time. 30fps is considered "Real Time". So, If you have a 4 Camera DVR, you will need at least 120fps, for each camera to be considered real time.
Copyright 2012 by Auskay International

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