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Crime is on the rise or so it seems. Whether you are operating your own business or just want to insure the safety of your own home, you may want to think long and hard about using hidden digital video recorders to keep an eye on things. If your business or home is fairly large, you know that you may need to have several hidden digital video recorders operating all at the same time. Fortunately, there are several models of hidden digital video recorders that can operate numerous security cameras all at the same time.

One unit in particular, allows you to connect up to eight cameras and has eight alarm inputs. The great part is that all eight cameras can be viewed on one monitor, so you don’t have to go broke building a wall of monitors to handle the job. Once an alarm goes off, the switcher will lock onto the camera covering the area where the alarm went off. And if more than one alarm sounds, it will switch automatically between the affected areas. You can also manually excluded unaffected cameras or lock the affected cameras so that you have a constant view of the trouble spot.

There is also a nine camera version of these hidden digital video recorders that allows you to change setting from one, two, four or eight camera viewing, too. The system adjusts to your needs regardless of how many hidden digital video recorders you are using. Then if you need to expand your system, you don’t have to worry about purchasing another system, you are ready to go for up to nine cameras.

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An alarm system is a great way to provide extra protection for your home. There are plenty of options available for you to ensure your home’s safety. So don’t take chances. Protect your family with a home security system that will safeguard your most precious valuables, and the people you love.

What are they?

Motion detectors spot the movement in areas covered by the security sensors. Motion detectors transmit high frequency radio wave signals. They give a warning that someone is entering into your home.

Different kinds of motion detectors & how they work:

Infrared Sensors:

Motion detectors use infrared light to detect heat changes, i.e. when a person moves across this light it detects them with the help of the infrared sensors. If a person moves in the range of the motion sensors, the alarm is activated. Infrared sensors are cheaper than microwave sensors and ultrasonic sensors. Infrared sensors are generally smaller and very reliable.

Vibration Sensors:

It detects a person through vibration. Many car alarms have this feature to alert the owner that something has bumped into their car.

Photoelectric Sensors:

Some motion detection systems use lasers and photoelectric beams. The laser is shot across to the other side of the room or doorway. If the laser is interrupted the unit’s alarm signal is activated.

Ultrasonic sensors :

They use a frequency around 30kHz. The transmitter bounces the waves of walls, furniture, windows and ceilings and when the room has stabilized, the alarm is armed.

Acoustic Sensors:

They can detect the energy produced by any kind of sound, including breaking glass. In the case of breaking glass from window intrusions, the pattern of the sound emitted is detected.

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