Tech & Gadget

1st 5 visible deterrent or covert / discreet surveillance

housed For visible deterrent to the use of larger cameras in traditional enclosures are ideal. For covert or unobtrusive applications Voltek delivery Discreet or concealed CCTV cameras, which are:

* Very small and can be installed in hidden places or
* In enclosures to conceal the presence of a camera.

Many of the cameras are manufactured by Voltek stylish and discreet in the conduct of their enclosure and that makes them very suitable for applications in the home.
1st 6 Audio

If the ability to monitor or sound recordings is important then the camera has a built-in microphone. This allows one-way audio monitoring. Some cameras, like those of SuperCam2 Voltek a 2-way speech facility that allows you to answer with your visitors, without talking to the door.
1st 7 camera image quality

The resolution is the size and nature of the camera sensor influence on the quality of the visible image.

Resolution – This is the number of TV lines (TVL) that produce the camera can be expressed. The higher the value the higher the TVL resolution and thus the quality of the images. A typical entry-level camera will be around 300 TVL cameras with higher resolution with a value of 400 + TVL.

Size – a larger image sensor gives a better image definition than a smaller sensor. For example, a 1 / 3 “image sensor is a better picture than a 1 / 4″ sensor will produce.

Type – There are 2 types of image sensors. CMOS sensors are mass-produced and used to provide entry-level cameras to cost savings. CCD sensors are used in professional CCTV cameras and offer higher picture quality.

It is important to remember that the quality of the recorder has influence on the quality of the CCTV recordings. For example, if a high-resolution camera, but a low-resolution recorder then the CCTV footage to be covered will continue to be of low resolution.

1st 8 single-or multiple Camera Camera Systems

Need to protect you and a single area or multiple areas? If you are likely to demand the protection of additional land at a later date, then consider purchasing a system that can be expanded as and when required. Voltek has a number of products that allow you to connect up to 4, 8 or even 16 cameras. These include:

Switch – These are units that enable a multi-camera system to switch between different cameras. The switch can be done in a number of ways:

* Manually by the user
* Automatic sequential switching between cameras
* Upon detection of movement by a PIR camera.

Several Security CCTV cameras switch the cameras are connected to the switch and the output from the switch can be viewed on a TV or it can be connected directly to the host device, such as the VCR or DVD recorder. CCTV Switcher can usually allow you to connect up to 4 or 8 cameras. The Spectrum Control Voltek of additional integrated features such as automatic video-activation and time and date stamp. It is important to remember however that with a switch you can only view and record one camera at a time.

Standalone DVRs – digital video recorders can be viewed using single or multi-camera systems and / or recorded simultaneously.

Voltek provides a range of 4, 8 and 16 channel DVRs, allowing you to install a very extensive CCTV system.

2 0 Recording Options

If you wish, your CCTV footage please note the following factors should be considered:

* Maximum length of recording time required
* Quality of the recording
* Recording method:
o Continuous
o Manual
o Led Event – ie if your system detects a movement
* Recording Equipment
o Analog
o Digital
* Ability to store, retrieve and transfer of CCTV recordings

2nd 1 Domestic VCR

This is a simple and inexpensive way for the good quality footage recorded in real time can make available. VCR can be used to provide a continuous recording of up to 8 hours or event led to the taking, when used in conjunction with a PIR camera and a VCR activator. When using PIR cameras perform event-led recordings, you need to check the start time for the VCR. may, for example, when does the recorder a few seconds to actually begin recording each time receiving the signal from the camera and then passed the event before it was added (one person on foot passed through the camera field, the field of view before have , image is recorded on tape). In these situations, a separate PIR detector used to capture the image and could be overcome this problem. The other thing is to remember that you can not use the VCR a TV channel while the camera input is selected record.

2nd 2 Domestic DVD Recorder

They work on a similar principle as the domestic VCR, but offer the added benefits:

* Higher quality digital recording
* Increased storage capacity
* Improved search and retrieval capability

However, only for disc recorders start-up time before the recording actually begins is usually longer than a VCR. To overcome this, it is recommended recorder with built-in hard drive are used

2nd 3 Standalone Digital Video Recorder

These are rapidly becoming the most popular method of recording CCTV footage. Basically, a DVR is a standalone piece of hardware, developed exclusively for the inclusion of CCTV footage. It has certain clear ofDigital Security Camera Recorder advantages over traditional analog systems and these include:

* Storage – days, weeks and even months of high-resolution recording is possible through the use of large capacity hard drives
* Consistent quality recording – no deterioration of picture quality, no matter how many you on the recording device to overwrite or how long you store the images for
* Viewing and Retrieval – Quick and easy access footage with digital format
* Capture and Storage – The digital format allows easy transfer and storage of recordings. Transfer and storage capability is improved by DVRs with built-in CD burner and USB ports.
* Remote Access – Many DVRs have the ability to remote access from anywhere in the world through the use of a remote PC
* Multiplex recording – the ability to display and record from multiple cameras simultaneously.

2nd 4 PCI cards

These are digital video capture cards will be equipped to enable within your existing PC can connect multiple cameras. The functionality and the benefits of PCI cards is very similar to the DVRs.

3 Detection 0

Even in systems that have a very long recording capacity to record, it is not always desirable, continuously. Event LED recording is a more efficient means of capturing footage relevant and can be achieved by:

3rd 1 PIR motion detector

Some cameras have built in PIR detectors, and for those it is not possible to install a separate PIR as part of the whole system. In multiple camera systems with the PIR recordings that will be displayed on the screen automatically change to the range of motion has been recognized.

3rd 2 Video Motion Detection

This is used in digital CCTV systems and works by analyzing the video signal from a camera. Changes in the signal as a movement are detected and subsequently used to trigger the recording when necessary. All Voltek digital systems, users can select one or more rectangular areas within the screen, and only if movement in these areas, the system determines the recording to start. Where possible, the use of PIR motion detector is preferable, instead of video motion detection, as they reliable especially for external use.

4 0 Time and Date Stamp

This function displays the time and date on your CCTV footage. After this function can be very useful to determine if an event has occurred and been recorded, especially if the images are used for evidence purposes. For domestic systems Voltek offers a separate time and date generator that can be added to your system. The Spectrum Control CCTV cameras has securyty built this facility already. The plant is also an integral part of all Voltek range of digital CCTV systems.

5 Cables and Connectors 0

Security camera wire connectors cameras can be connected in various ways. All our local cameras are supplied with 20m cable and scart and / or RCA connectors for direct connection to your TV, VCR or DVD recorder. All of our professional cameras with 20m cable and BNC connectors that is included in our range of digital recorders plug. The camera can Voltek up to 100m in total will be extended by the use of appropriate. Co-axial cable to a local power supply to the camera so the camera to be located up to 250m away from the monitor or recording device. Detailed information on connections and cables for each of the Voltek cameras is available on the relevant product page on the website.

6th 0 Camera Protection

If your camera is likely to be a target for vandals then consider protecting them with a Voltelen wire cages is a security camera wire cages
need. This not only saves your security cameras from Vandalas but protects any evidence collected during the vandalism.

We at For your home with Voltek really hope that the following guide you in choosing the perfect safe for your Homes and Gardens
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