Frequently Asked Questions About How Surveillance Cameras Work

Home and business protection cameras are easy to use and easy to install.
You can use these products to protect your property in your home, office, business, and, but not limited to, protection for your children.
Many of these devices are very portable, easily moved from room to room or place to place.
They can be wired or wireless, black and white or be in color.
What is a Wireless Protection Camera? Most of these devices require two wires; one for power, one to transmit the captured video to a display or recording device.
The wireless devise only require one wire for power.
The video is transmitted to send the video and a receiver to receive the video, which, in turn, plugs into the monitor or recorder.
Will A Cordless Phone Interfere With These Wireless Devices? A cordless phone, cell phone or wireless router will not interfere with the wireless signal.
How Far Can A Wireless Protection Device Transmit? The wireless cameras can transmit up to 1000 feet, line of sight.
How Many Wireless Devices can be located in one location? The new digital wireless transmitters will support up to 8 wireless devices in a location.
What is a Wired Protection Camera? They have a video cable that runs from the camera to your recording or viewing device such as a DVR or monitor.
Wireless devices have a built-in transmitter that sends the video signal to a receiver.
The receiver connects to your recording or viewing device.
What Is A Plug and Play Connection Camera? It is a RCA or BNC video plug and a power plug on the camera for easy connection to DVR or TV.
This is done by running the RCA/BNC (Aux) line into the VIDEO IN on the DVR or TV.
What Features Should You Look For In A CCTV Digital Video Recorder (DVR)? All DVRs are definitely not made equal.
There are several factors that are critical to consider when purchasing a DVR, especially when comparing price.
The most important features to look at are the number of cameras supported, frames per second (fps), compression technology, hard drive space, network connection/remote viewing capability, motion detection, scheduling, and ability to save audio to a CD or flash drive.
Which Type Of Protection Camera Should You Use? A camera can come in many different styles including dome, bullet, infrared and hidden.
The camera that will work best for your application will depend on several factors such as whether you will use the cameras inside or out, during the day, or night time or both.
Bullet Style Cameras Are The Most Popular.
They can be used inside or out.
These protection cameras come in black and white or color and come with all of the required mounting hardware.
The camera casings are weather resistant and don't require added external protection.
Most cameras have a fixed 4mm lens that allows you to see facial features out to about 35 feet and provides a 70" angle of view.
Resolution levels for black and white protection cameras are about 400 lines, any higher and the benefits are minimal.
For color cameras, the higher the resolution the better.
Infrared cameras are also very popular as they allow an image to be seen in little or no lighting conditions.
Most infrared cameras are bullet style and can be used inside or out.
The cameras have infrared lighting installed around the outer edge of the lens which allows the camera to see no light 25 feet or more depending on the camera model - even further with a little bit of light like street lighting or an outside light.
Dome cameras basically provide a different look.
They can also be used inside or outside, daytime or night time.
Can These Cameras Have Audio? No.
According to United States Federal Laws, audio should not be used in a surreptitious manner.
One example of surreptitious interception is audio in a camera.
This includes pinhole board cameras and all covert or self protection cameras.
Audio in a camera or board camera is only available to law enforcement agencies with the exception of body worn cameras.
Title 18, Section 2512.
Any and all of these cameras are very popular and can be hidden in almost any item.
These cameras allow you to have the ability to capture video without anyone knowing.